BOM-DAT/capacitor-dat/capacitor-start-dat/capacitor-start-dat.md
... ...
@@ -1,46 +1,46 @@
1
-
2
-# capacitor-start-dat
3
-
4
-
5
-
6
-
7
-## fan starting
8
-
9
-CBB61 Fan Starting Capacitor 450V 1/1.2/1.5/1.8/2/2.5/3/3.5/4/4.5-20UF
10
-
11
-![](2026-02-06-20-18-27.png)
12
-
13
-
14
-
15
-## toy
16
-
17
-![](2025-05-04-13-13-48.png)
18
-
19
-![](2025-12-10-15-20-47.png)
20
-
21
-
22
-
23
-## larget start capacitor
24
-
25
-![](2025-05-24-19-45-14.png)
26
-
27
-![](2025-05-24-19-45-43.png)
28
-
29
-## Why Not to Connect Polarized Capacitors Directly to DC Motors
30
-
31
-- **Polarized capacitors** (like electrolytic types) can only handle **one voltage polarity**.
32
-- If a **DC motor runs in both directions** (CW and CCW), the voltage across its terminals **reverses**.
33
-- This **reverse polarity damages polarized capacitors**, causing:
34
- - Overheating
35
- - Leaking
36
- - Short circuits
37
- - Power supply shutdowns
38
-
39
-### ✅ Safer Alternatives
40
-- Use **non-polarized capacitors** (e.g., ceramic 0.1–1 µF) directly across the motor terminals.
41
-- Use **polarized capacitors** only on the **power input side** of the motor driver, where polarity is stable.
42
-
43
-
44
-## ref
45
-
1
+
2
+# capacitor-start-dat
3
+
4
+- [[motor-driver-dat]] - [[motor-driver-rc-dat]] - [[capacitor-start-dat]]
5
+
6
+
7
+## fan starting
8
+
9
+CBB61 Fan Starting Capacitor 450V 1/1.2/1.5/1.8/2/2.5/3/3.5/4/4.5-20UF
10
+
11
+![](2026-02-06-20-18-27.png)
12
+
13
+
14
+
15
+## toy
16
+
17
+![](2025-05-04-13-13-48.png)
18
+
19
+![](2025-12-10-15-20-47.png)
20
+
21
+
22
+
23
+## larget start capacitor
24
+
25
+![](2025-05-24-19-45-14.png)
26
+
27
+![](2025-05-24-19-45-43.png)
28
+
29
+## Why Not to Connect Polarized Capacitors Directly to DC Motors
30
+
31
+- **Polarized capacitors** (like electrolytic types) can only handle **one voltage polarity**.
32
+- If a **DC motor runs in both directions** (CW and CCW), the voltage across its terminals **reverses**.
33
+- This **reverse polarity damages polarized capacitors**, causing:
34
+ - Overheating
35
+ - Leaking
36
+ - Short circuits
37
+ - Power supply shutdowns
38
+
39
+### ✅ Safer Alternatives
40
+- Use **non-polarized capacitors** (e.g., ceramic 0.1–1 µF) directly across the motor terminals.
41
+- Use **polarized capacitors** only on the **power input side** of the motor driver, where polarity is stable.
42
+
43
+
44
+## ref
45
+
46 46
- [[capacitor-dat]] - [[motor-dat]]
... ...
\ No newline at end of file
BOM-DAT/diode-dat/diode-flyback-dat/diode-flyback-dat.md
... ...
@@ -1,100 +1,108 @@
1
-
2
-# flyback-diode-dat
3
-
4
-## exaple == MBRF20100 == 🔧 Role of MBRF20100 in a Motor Driver
5
-
6
-### 📘 Component Overview
7
-
8
-| Parameter | Value |
9
-|------------------|--------------------------|
10
-| Part Number | MBRF20100 |
11
-| Type | Schottky Barrier Diode |
12
-| Max Voltage (VR) | 100V |
13
-| Max Current (IF) | 20A |
14
-| Package | TO-220AC (or similar) |
15
-| Forward Drop | ~0.75V (low Vf) |
16
-
17
----
18
-
19
-### 🔌 Purpose in Motor Driver Circuits
20
-
21
-#### 1. 🛡️ Flyback (Freewheeling) Diode
22
-
23
-**Motor coils are inductive.** When you suddenly switch off current, the collapsing magnetic field generates a **high voltage spike** (back-EMF) in the opposite direction.
24
-
25
-🔁 The MBRF20100 provides a **safe path** for this current to flow:
26
-- Prevents **voltage spikes**
27
-- Protects **MOSFETs / BJTs / ICs**
28
-- Helps motor **coast down smoothly** rather than abruptly stop
29
-
30
-> Usually placed **in parallel with the motor or across switching MOSFETs**, with reverse polarity.
31
-
32
----
33
-
34
-#### 2. 🔄 Freewheeling Path in H-Bridge
35
-
36
-In an H-Bridge or half-bridge circuit:
37
-- When one MOSFET turns off, the inductor (motor winding) forces current to keep flowing.
38
-- MBRF20100 acts as a **freewheeling diode**, conducting the residual current until it dissipates.
39
-
40
-This helps:
41
-- Reduce switching losses
42
-- Avoid voltage spikes
43
-- Improve efficiency
44
-
45
----
46
-
47
-### 3. ⚡ Reverse Polarity Protection
48
-
49
-Sometimes used as a **reverse polarity protection diode** at the power input stage:
50
-- Blocks current if polarity is reversed
51
-- Protects the entire driver circuit
52
-
53
-But note: This isn’t its most common role — it's more often used for **inductive load handling**.
54
-
55
----
56
-
57
-### ✅ Why MBRF20100 Specifically?
58
-
59
-- **20A / 100V** rating suits many medium/high-power motors
60
-- **Schottky type** → fast switching, low forward voltage drop
61
-- **High efficiency** (less heat vs. regular diodes)
62
-- **TO-220** package → easy to heatsink for high current use
63
-
64
----
65
-
66
-### 📐 Schematic Snippet (Freewheeling Example)
67
-
68
-```
69
- V+ ---+
70
- |
71
- [Motor]
72
- |
73
- +++---+
74
- | |
75
- GND [MBRF20100]
76
- | |
77
- +-+
78
- |
79
- GND
80
-```
81
-
82
-- The MBRF20100 is in reverse-bias across the motor
83
-- When the motor coil releases energy, the diode **conducts** to safely dissipate it
84
-
85
----
86
-
87
-### 🧪 Summary
88
-
89
-| Role | Description |
90
-|--------------------------|------------------------------------------------|
91
-| Flyback diode | Protects switch from inductive kickback |
92
-| Freewheeling diode | Allows current to circulate in bridge drivers |
93
-| Reverse polarity guard | Prevents damage on wrong power connection |
94
-| High current Schottky | Fast, efficient, and heat-manageable |
95
-
96
-
97
-
98
-## ref
99
-
1
+
2
+# diode-flyback-dat
3
+
4
+
5
+
6
+== SS510 == [[RZ7886-dat]]
7
+
8
+
9
+
10
+
11
+
12
+## exaple == MBRF20100 == 🔧 Role of MBRF20100 in a Motor Driver
13
+
14
+### 📘 Component Overview
15
+
16
+| Parameter | Value |
17
+|------------------|--------------------------|
18
+| Part Number | MBRF20100 |
19
+| Type | Schottky Barrier Diode |
20
+| Max Voltage (VR) | 100V |
21
+| Max Current (IF) | 20A |
22
+| Package | TO-220AC (or similar) |
23
+| Forward Drop | ~0.75V (low Vf) |
24
+
25
+---
26
+
27
+### 🔌 Purpose in Motor Driver Circuits
28
+
29
+#### 1. 🛡️ Flyback (Freewheeling) Diode
30
+
31
+**Motor coils are inductive.** When you suddenly switch off current, the collapsing magnetic field generates a **high voltage spike** (back-EMF) in the opposite direction.
32
+
33
+🔁 The MBRF20100 provides a **safe path** for this current to flow:
34
+- Prevents **voltage spikes**
35
+- Protects **MOSFETs / BJTs / ICs**
36
+- Helps motor **coast down smoothly** rather than abruptly stop
37
+
38
+> Usually placed **in parallel with the motor or across switching MOSFETs**, with reverse polarity.
39
+
40
+---
41
+
42
+#### 2. 🔄 Freewheeling Path in H-Bridge
43
+
44
+In an H-Bridge or half-bridge circuit:
45
+- When one MOSFET turns off, the inductor (motor winding) forces current to keep flowing.
46
+- MBRF20100 acts as a **freewheeling diode**, conducting the residual current until it dissipates.
47
+
48
+This helps:
49
+- Reduce switching losses
50
+- Avoid voltage spikes
51
+- Improve efficiency
52
+
53
+---
54
+
55
+### 3. ⚡ Reverse Polarity Protection
56
+
57
+Sometimes used as a **reverse polarity protection diode** at the power input stage:
58
+- Blocks current if polarity is reversed
59
+- Protects the entire driver circuit
60
+
61
+But note: This isn’t its most common role — it's more often used for **inductive load handling**.
62
+
63
+---
64
+
65
+### ✅ Why MBRF20100 Specifically?
66
+
67
+- **20A / 100V** rating suits many medium/high-power motors
68
+- **Schottky type** → fast switching, low forward voltage drop
69
+- **High efficiency** (less heat vs. regular diodes)
70
+- **TO-220** package → easy to heatsink for high current use
71
+
72
+---
73
+
74
+### 📐 Schematic Snippet (Freewheeling Example)
75
+
76
+```
77
+ V+ ---+
78
+ |
79
+ [Motor]
80
+ |
81
+ +++---+
82
+ | |
83
+ GND [MBRF20100]
84
+ | |
85
+ +-+
86
+ |
87
+ GND
88
+```
89
+
90
+- The MBRF20100 is in reverse-bias across the motor
91
+- When the motor coil releases energy, the diode **conducts** to safely dissipate it
92
+
93
+---
94
+
95
+### 🧪 Summary
96
+
97
+| Role | Description |
98
+|--------------------------|------------------------------------------------|
99
+| Flyback diode | Protects switch from inductive kickback |
100
+| Freewheeling diode | Allows current to circulate in bridge drivers |
101
+| Reverse polarity guard | Prevents damage on wrong power connection |
102
+| High current Schottky | Fast, efficient, and heat-manageable |
103
+
104
+
105
+
106
+## ref
107
+
100 108
- [[diode-dat]]
... ...
\ No newline at end of file
Board-dat/CIC/CIC1064-dat/CIC1064-dat.md
... ...
@@ -1,9 +1,14 @@
1
-
2
-# CIC1064-dat
3
-
4
-- [[LT8920-dat]]
5
-
6
-https://www.electrodragon.com/product/5pcs-lt8920-2-4g-rf-transceiver-soc-chip/
7
-
8
-
9
-
1
+
2
+# CIC1064-dat
3
+
4
+- [[LT8920-dat]] - [[RF-2.4ghz-dat]]
5
+
6
+
7
+
8
+[5PCs LT8920 2.4GHz RF Transceiver SoC Chip](https://www.electrodragon.com/product/5pcs-lt8920-2-4g-rf-transceiver-soc-chip/)
9
+
10
+
11
+
12
+
13
+## ref
14
+
Chip-cn-dat/L9110-dat/L9110-dat.md
... ...
@@ -1,39 +1,39 @@
1
-
2
-# L9110-dat
3
-
4
-- datasheet = [[datasheet-l9110.pdf]]
5
-
6
-- [[SDR1056-dat]]
7
-
8
-- good for 3.3V motor to drive
9
-
10
-- alternative [[HG7881-dat]]
11
-
12
-## APPs
13
-
14
-![](2025-05-04-14-27-17.png)
15
-
16
-Wide supply voltage range: 2.5V-12V;
17
-
18
-![](2025-07-04-17-23-19.png)
19
-
20
-
21
-## Key Specifications & Features
22
-
23
-| Feature | **L9110 / L9110S** | **DRV8871** |
24
-| ------------------------- | --------------------------------------------------------------------------- | --------------------------------------------------------------------------------- |
25
-| **Type / Configuration** | Dual-channel H-bridge. Can drive two DC motors or one 4-wire stepper motor. | Single full-bridge (one motor or one winding of stepper) driver. |
26
-| **Supply Voltage Range** | ~2.5V to 12V | ~6.5V to 45V |
27
-| **Logic / Input Voltage** | TTL/CMOS levels, works with 3.3V & 5V controllers | Up to ~5.5V logic input |
28
-| **Current Capability** | Continuous: ~0.75-0.8 A per channel; peak ~1.5-2 A short-term | Peak ~3.6 A; RDS(on) ~565 mΩ (HS + LS) |
29
-| **Protection Features** | Basic: clamp diodes, limited protection | Advanced: undervoltage lockout, overcurrent, thermal shutdown, current regulation |
30
-| **Power Efficiency** | Higher losses at moderate load; best for low power | Efficient at higher loads; better handling of stress |
31
-| **Cost & Size** | Very low cost, simple dual-channel module | Higher cost, more complex, industrial-grade |
32
-
33
-
34
-
35
-
36
-
37
-## ref
38
-
39
-- [[dc-motor-driver-dat]]
... ...
\ No newline at end of file
0
+
1
+# L9110-dat
2
+
3
+- datasheet = [[datasheet-l9110.pdf]]
4
+
5
+- [[SDR1056-dat]]
6
+
7
+- good for 3.3V motor to drive
8
+
9
+- alternative [[HG7881-dat]]
10
+
11
+## APPs
12
+
13
+![](2025-05-04-14-27-17.png)
14
+
15
+Wide supply voltage range: 2.5V-12V;
16
+
17
+![](2025-07-04-17-23-19.png)
18
+
19
+
20
+## Key Specifications & Features
21
+
22
+| Feature | **L9110 / L9110S** | **DRV8871** |
23
+| ------------------------- | --------------------------------------------------------------------------- | --------------------------------------------------------------------------------- |
24
+| **Type / Configuration** | Dual-channel H-bridge. Can drive two DC motors or one 4-wire stepper motor. | Single full-bridge (one motor or one winding of stepper) driver. |
25
+| **Supply Voltage Range** | ~2.5V to 12V | ~6.5V to 45V |
26
+| **Logic / Input Voltage** | TTL/CMOS levels, works with 3.3V & 5V controllers | Up to ~5.5V logic input |
27
+| **Current Capability** | Continuous: ~0.75-0.8 A per channel; peak ~1.5-2 A short-term | Peak ~3.6 A; RDS(on) ~565 mΩ (HS + LS) |
28
+| **Protection Features** | Basic: clamp diodes, limited protection | Advanced: undervoltage lockout, overcurrent, thermal shutdown, current regulation |
29
+| **Power Efficiency** | Higher losses at moderate load; best for low power | Efficient at higher loads; better handling of stress |
30
+| **Cost & Size** | Very low cost, simple dual-channel module | Higher cost, more complex, industrial-grade |
31
+
32
+
33
+
34
+
35
+
36
+## ref
37
+
38
+- [[DC-motor-driver-dat]]
... ...
\ No newline at end of file
Chip-cn-dat/NST-techsemi-dat/LT8920-dat/LT8920-dat.md
... ...
@@ -1,15 +1,16 @@
1
-
2
-# LT8920-dat
3
-
4
-- [[CIC1064-dat]]
5
-
6
-- arduino library == https://github.com/mengguang/LT8920
7
-
8
-- https://github.com/534659123/LT8910
9
-
10
-https://github.com/Edragon/Datasheet/blob/master/LT8920%20%E6%95%B0%E6%8D%AE%E6%89%8B%E5%86%8C1.0.pdf
11
-
12
-
13
-## ref
14
-
1
+
2
+# LT8920-dat
3
+
4
+- [[CIC1064-dat]]
5
+
6
+- arduino library == https://github.com/mengguang/LT8920
7
+
8
+- https://github.com/534659123/LT8910
9
+
10
+https://github.com/Edragon/Datasheet/blob/master/LT8920%20%E6%95%B0%E6%8D%AE%E6%89%8B%E5%86%8C1.0.pdf
11
+
12
+- [[SSOP-dat]] == pin 16
13
+
14
+## ref
15
+
15 16
- [[2.4GHz-dat]] - [[frequency-dat]] - [[RF-dat]]
... ...
\ No newline at end of file
Chip-cn-dat/ruizhi-dat/RZ7886-dat/2026-06-05-00-48-14.png
... ...
Binary files /dev/null and b/Chip-cn-dat/ruizhi-dat/RZ7886-dat/2026-06-05-00-48-14.png differ
Chip-cn-dat/ruizhi-dat/RZ7886-dat/DS-electodragon-RZ7886.pdf.pdf
... ...
Binary files /dev/null and b/Chip-cn-dat/ruizhi-dat/RZ7886-dat/DS-electodragon-RZ7886.pdf.pdf differ
Chip-cn-dat/ruizhi-dat/RZ7886-dat/RZ7886-dat.md
... ...
@@ -4,8 +4,9 @@
4 4
5 5
- [[TA6586-dat]] - [[motor-driver-dat]] - [[ruizhi-dat]] - [[RZ7886-dat]]
6 6
7
-- [[rc-dat]]
7
+- [[rc-dat]] - [[motor-driver-dat]] - [[motor-driver-rc-dat]] - [[capacitor-start-dat]]
8 8
9
+- datasheet == [[DS-electodragon-RZ7886.pdf]]
9 10
10 11
Description
11 12
... ...
@@ -17,7 +18,7 @@ RZ7886 is suitable for toy vehicles, remote-controlled aircraft motor drive, aut
17 18
18 19
Features
19 20
- Low stand-by current: ≦2uA
20
-- Wide supply voltage range
21
+- Wide supply voltage range 3.0V~14V.
21 22
- Built-in Brake Function
22 23
- Thermal Shutdown protection
23 24
- Over Current Limit and Short Circuit Protect Function
... ...
@@ -32,10 +33,15 @@ Features
32 33
33 34
![](2026-06-02-16-33-46.png)
34 35
36
+w/wireless chip - [[rf-2.4ghz-dat]]
37
+
35 38
![](2026-06-02-16-36-42.png)
36 39
40
+- [[diode-flyback-dat]] == SS510
37 41
42
+![](2026-06-05-00-48-14.png)
38 43
44
+- [[capacitor-dat]]
39 45
40 46
41 47
Chip-dat/OnSemi-dat/LV8548-dat/LV8548-dat.md
... ...
@@ -1,28 +1,28 @@
1
-
2
-# LV8548-dat
3
-
4
-- datasheet == [[onsemi-LV8548MC-AH_C19950.pdf]]
5
-
6
-
7
-Monolithic Linear IC
8
-
9
-12V Low Saturation Voltage Drive Forward/Reversee Motor Driver
10
-
11
-Overview
12
-
13
-The LV8548MC is a 2-channel low saturation voltage forward/reverse motor driver IC.
14
-
15
-It is optimal for motor drive in 12V system products and can drive either two DC motors, one DC motor using parallel connection, or it can drive a stepper motor in Full-step and Half-step.
16
-
17
-
18
-## APPs
19
-
20
-![](2025-05-04-14-30-57.png)
21
-
22
-
23
-![](2025-05-04-14-31-23.png)
24
-
25
-
26
-## ref
27
-
28
-- [[dc-motor-driver-dat]]
... ...
\ No newline at end of file
0
+
1
+# LV8548-dat
2
+
3
+- datasheet == [[onsemi-LV8548MC-AH_C19950.pdf]]
4
+
5
+
6
+Monolithic Linear IC
7
+
8
+12V Low Saturation Voltage Drive Forward/Reversee Motor Driver
9
+
10
+Overview
11
+
12
+The LV8548MC is a 2-channel low saturation voltage forward/reverse motor driver IC.
13
+
14
+It is optimal for motor drive in 12V system products and can drive either two DC motors, one DC motor using parallel connection, or it can drive a stepper motor in Full-step and Half-step.
15
+
16
+
17
+## APPs
18
+
19
+![](2025-05-04-14-30-57.png)
20
+
21
+
22
+![](2025-05-04-14-31-23.png)
23
+
24
+
25
+## ref
26
+
27
+- [[DC-motor-driver-dat]]
... ...
\ No newline at end of file
Network-dat/RF-dat/RF-2.4Ghz-dat/RF-2.4Ghz-dat.md
... ...
@@ -6,27 +6,15 @@
6 6
7 7
- [[RF-1Ghz-dat]] - [[rf-2.4ghz-dat]] - [[rf-5.8ghz-dat]] - [[RF-dat]]
8 8
9
-- [[NRF24L01]]
10 9
11
-- [[LT8920-dat]]
12 10
13 11
14 12
15
-- [[NRF52832-dat]] - [[NRF52840-dat]]
16
-
17 13
- [[MCU-dat]]
18 14
19
-- [[MD7105-dat]]
20
-
21
-- [[A7105-dat]] - [[NWL1058-dat]]
22
-
23
-- [[NRF24L01-dat]] - [[NRF24L01-clone-dat]]
24 15
25
-- [[LT8920-dat]] - [[CIC1064-dat]]
26 16
27
-- [[CC2530-dat]]
28 17
29
-- [[JDY-40-dat]]
30 18
31 19
- LC-12S
32 20
... ...
@@ -35,6 +23,19 @@
35 23
36 24
- [[BK2425-dat]] - [[RF-2.4Ghz-dat]] - [[frequency-dat]] - [[beken-dat]] - [[RF-dat]]
37 25
26
+- [[NRF24L01]] - [[nordic-dat]] - [[NRF24L01-dat]] - [[NRF24L01-clone-dat]]
27
+
28
+- [[NRF52832-dat]] - [[NRF52840-dat]]
29
+
30
+- [[LT8920-dat]] - [[NST-techsemi-dat]] - [[CIC1064-dat]]
31
+
32
+- [[MD7105-dat]]
33
+
34
+- [[A7105-dat]] - [[NWL1058-dat]]
35
+
36
+- [[CC2530-dat]] - [[TI-dat]] - [[ti-network-dat]]
37
+
38
+- [[EY-40-dat]] - [[EY-dat]]
38 39
39 40
40 41
Network-dat/RF-dat/RF-DAT.md
... ...
@@ -1,7 +1,7 @@
1 1
2 2
# RF-dat
3 3
4
-
4
+- [[27mhz-dat]] - [[frequency-dat]] - [[frequency-rc-dat]] - [[RF-dat]] - [[RF-2.4Ghz-dat]] - [[RF-1Ghz-dat]]
5 5
6 6
- [[CRSF-dat]]
7 7
Network-dat/frequency-dat/frequency-dat.md
... ...
@@ -5,7 +5,7 @@
5 5
- [[VSWR-dat]] - [[bands-dat]] - [[frequency-dat]]
6 6
7 7
8
-- [[27mhz-dat]] - [[frequency-dat]] - [[frequency-rc-dat]]
8
+- [[27mhz-dat]] - [[frequency-dat]] - [[frequency-rc-dat]] - [[RF-dat]] - [[RF-2.4Ghz-dat]] - [[RF-1Ghz-dat]]
9 9
10 10
- [[antenna-dat]] - [[antenna-spring-dat]]
11 11
Network-dat/frequency-dat/frequency-rc-dat/frequency-rc-dat.md
... ...
@@ -2,12 +2,14 @@
2 2
3 3
# frequency-rc-dat
4 4
5
-- [[27mhz-dat]] - [[frequency-dat]] - [[frequency-rc-dat]]
5
+- [[27mhz-dat]] - [[frequency-dat]] - [[frequency-rc-dat]] - [[RF-dat]] - [[RF-2.4Ghz-dat]] - [[RF-1Ghz-dat]]
6
+
6 7
7 8
## transmitter and receiver board
8 9
9 10
- [[27mhz-dat]] + [[40mhz-dat]] combination - [[RF-link-dat]]
10 11
12
+- [[rf-2.4Ghz-dat]]
11 13
12 14
### kit wiring
13 15
Tech-dat/acturator-dat/motor-dat/motor-brushed-dat/DC-motor-driver-dat/2025-05-04-14-07-37.png
... ...
Binary files a/Tech-dat/acturator-dat/motor-dat/motor-brushed-dat/DC-motor-driver-dat/2025-05-04-14-07-37.png and /dev/null differ
Tech-dat/acturator-dat/motor-dat/motor-brushed-dat/DC-motor-driver-dat/DC-motor-driver-dat.md
... ...
@@ -1,94 +0,0 @@
1
-
2
-# DC-motor-driver-dat
3
-
4
-- [[ULN2003-dat]] - [[ULN2803-dat]]
5
-
6
-- [[Darlington-transistor-array-dat]] - [[transistor-array-dat]] - [[transistor-dat]] - [[MOSFET-dat]] - [[IGBT-dat]]
7
-
8
-- [[L9110-dat]]
9
-
10
-- [[L298-dat]] - [[L293-dat]]
11
-
12
-- [[TB6612-dat]]
13
-
14
-- [[DRV8833-dat]] / [[DRV8871-dat]] / [[DRV8835-dat]] / [[DRV8825-dat]] == [[TI-motor-dat]]
15
-
16
-- [[LV8548-dat]] == [[onsemi-dat]]
17
-
18
-
19
-## 🧾 Summary Table
20
-
21
-| Chip | Max Current | Motor Voltage | Direction | PWM Speed | Footprint / Package | Notes |
22
-| ------------- | ------------------- | ------------- | --------- | --------- | --------------------------- | ------------------------------------ |
23
-| **L9110S** | ~800 mA | 2.5–12V | ✅ | ✅ | DIP-8 / SOP-8 Module | Compact, easy to use, basic driver |
24
-| **L298N** | 2A (peak: ~3A) | 5–35V | ✅ | ✅ | Multiwatt-15 / Module board | Large, needs heat sink |
25
-| **L293D** | 600 mA (peak: 1.2A) | 4.5–36V | ✅ | ✅ | DIP-16 / SOIC-16 | Basic H-bridge with built-in diodes |
26
-| **TB6612FNG** | 1.2A (3.2A peak) | 2.5–13.5V | ✅ | ✅ | SSOP-24 / Module breakout | Efficient, compact, modern choice |
27
-| **DRV8833** | 1.5A (peak: 2A) | 2.7–10.8V | ✅ | ✅ | HTSSOP-16 / QFN | Compact, protected, 2-channel driver |
28
-| **DRV8871** | 3.6A (peak: 6A) | 6.5–45V | ✅ | ✅ | SOIC-8 / MSOP | Single channel, higher power |
29
-
30
-- THB6128
31
-
32
-
33
-
34
-
35
-### # ✅ Common Features of DC Motor Driver Chips
36
-
37
-These are essential or desirable features for a DC motor driver IC, especially for brushed DC motors (like 130/230 motors):
38
-
39
-### 🔁 1. Bidirectional Drive
40
-- Allows motor to rotate **clockwise (CW)** and **counter-clockwise (CCW)**
41
-- Requires an **H-bridge** circuit internally
42
-
43
-### 🎚️ 2. PWM (Pulse Width Modulation) Support
44
-- Enables **speed control** by adjusting duty cycle
45
-- Most drivers support PWM input on EN or IN pins
46
-
47
-### 🧠 3. Input Logic Compatibility
48
-- Accepts standard **3.3V or 5V** logic signals from microcontrollers (Arduino, Raspberry Pi, ESP32, etc.)
49
-
50
-### 🔐 4. Built-in Protection Features
51
-- **Overcurrent protection**: Prevents damage from short circuits or heavy loads
52
-- **Thermal shutdown**: Protects the IC from overheating
53
-- **Undervoltage lockout**: Disables the chip if supply voltage drops too low
54
-
55
-### 📈 5. Current Rating
56
-- Should handle the **motor's stall current** without damage (e.g., 1A+ for 230 motor)
57
-
58
-### 🧲 6. Brake Mode (Optional)
59
-- Allows fast motor stop by shorting terminals
60
-- Useful for precise or quick motion control
61
-
62
-### 🔄 7. Sleep or Enable Pin
63
-- Allows putting the driver in low-power mode or turning off the motor without cutting power
64
-
65
-### 🔌 8. Separate Motor and Logic Supply
66
-- Often supports **dual power rails** (e.g., 5V logic and 6–12V motor power)
67
-
68
-### ⚡ 9. Flyback Diodes (Freewheeling Diodes)
69
-- Either **built-in or required externally**
70
-- Protects the driver from voltage spikes caused by motor inductance
71
-
72
-### 🧩 10. Compact Footprint / Module Availability
73
-- Available as SMD ICs or in **breakout boards** for prototyping
74
-
75
-### 📘 Bonus Features (Advanced Chips)
76
-- **Current sensing** output (e.g., DRV8871)
77
-- **I2C/SPI control** (e.g., DRV8830 has I2C)
78
-- **Phase/Enable or IN1/IN2 logic modes**
79
-- **Soft start** / controlled acceleration
80
-
81
-
82
-
83
-## alternative
84
-
85
-- HR8833 == 2x H-bridge
86
-
87
-![](2025-05-04-14-07-37.png)
88
-
89
-
90
-## ref
91
-
92
-- [[motor-driver-dat]] - [[dc-motor-dat]]
93
-
94
-- [[DC-motor-driver]] - [[motor-driver]]
... ...
\ No newline at end of file
Tech-dat/acturator-dat/motor-dat/motor-brushed-dat/motor-brushed-dat.md
... ...
@@ -1,187 +1,187 @@
1
-
2
-# motor-brushed-dat
3
-
4
-
5
-
6
-
7
-
8
-## Small Brushed DC Motor Series
9
-
10
-
11
-
12
-- [[motor-130-dat]]
13
-
14
-
15
-| Motor Series | Size (approx.) | Voltage Range | Typical Power | Common Use |
16
-| ------------ | --------------- | ------------- | ------------- | ----------------------------------------- |
17
-| **N20** | 10 × 12 × 15 mm | 3V – 12V | <1 W | Micro robots, locks, cameras |
18
-| **030** | ~15 mm length | 1.5V – 3V | <0.5 W | Tiny toys, fans |
19
-| **130** | ~20 mm length | 1.5V – 6V | ~1–3 W | Toys, vibrators, mini fans |
20
-| **180** | ~25 mm length | 1.5V – 6V | ~2–4 W | Small models, RC cars |
21
-| **230** | ~30 mm length | 6V – 12V | ~5–20 W | Toys, small tools, RC models |
22
-| **260** | ~32 mm length | 6V – 12V | ~10–25 W | Slot cars, drills, small pumps |
23
-| **280** | ~35 mm length | 6V – 18V | ~15–30 W | Toys, CD drives, robotics |
24
-| **360/365** | ~40 mm length | 6V – 18V | ~20–50 W | Hobby tools, gearboxes |
25
-| **380** | ~45 mm length | 6V – 18V | ~20–60 W | RC cars, fans |
26
-| **390** | ~48 mm length | 6V – 24V | ~30–70 W | Motors with higher torque |
27
-| **540** | ~55 mm length | 6V – 24V | ~50–150 W | RC cars, robots, small drills |
28
-| **550** | ~60 mm length | 6V – 24V | ~75–200 W | Power tools, gearboxes |
29
-| **775** | ~70 mm length | 12V – 24V | ~150–350 W | High-power drills, CNC, mobility projects |
30
-| **895** | ~80 mm length | 12V – 36V | ~200–500 W | High torque, heavy loads |
31
-
32
-365 type motor : 12V - 11600rpm
33
-
34
-385 type motor : 12V - 10000rpm
35
-
36
-![](2026-02-06-20-04-35.png)
37
-
38
-
39
-- more powerful motors - [[Motor-reduction-Gear-dat]] - [[motor-TT-dat]]
40
-
41
-- [[motor-brushless-dat]]
42
-
43
-
44
-
45
-## 1. 45T / 55T Motors
46
-
47
-- **"T" = Turns** of wire on the motor armature.
48
-- **Higher T (e.g., 55T)** = **More torque, lower speed**.
49
-- **Lower T (e.g., 12T)** = **Higher speed, lower torque**.
50
-- Typically **540-size** brushed motors.
51
-- Commonly used in **RC crawling/trailing** for torque and control.
52
-- A **45T motor** has **45 wraps (turns)** of copper wire around each pole of the armature.
53
-- The number of turns affects the **motor's speed and torque**.
54
-
55
-Series = 19T / 21T / 27T / 35T / 45T / 55T / 60T / 80T
56
-
57
-![](2025-05-21-12-51-19.png)
58
-
59
-### Summary Table
60
-
61
-| Spec | 45T / 55T Motor | 130 / 230 Motor |
62
-| ------ | --------------------- | ------------------------- |
63
-| Type | Brushed RC Motor | Toy motor |
64
-| Size | 540-class | Small can-type |
65
-| Torque | High (esp. 55T) | Low |
66
-| Speed | Low (esp. 55T) | Moderate |
67
-| Usage | RC crawling, trailing | Toys, fans, small gadgets |
68
-
69
-
70
-### 🔧 Approximate Torque Value
71
-- **Torque (stall):** ~300 to 400 g·cm (gram-centimeter)
72
-- **At 7.2V to 7.4V (common RC voltage)**
73
-
74
-> ⚠️ Note: This is an estimate. Some high-end 45T motors may produce more torque.
75
-
76
-### 📊 Comparison Table (Typical RC Motors at 7.2V)
77
-
78
-| Motor Type | Turns | Torque (g·cm) | Speed (RPM) |
79
-| ---------- | ----- | ------------- | -------------- |
80
-| Racing | 12T | ~100–150 | ~30,000–35,000 |
81
-| Balanced | 27T | ~200–250 | ~15,000–20,000 |
82
-| Torque | 45T | ~300–400 | ~9,000–11,000 |
83
-| Crawler | 55T | ~400–500 | ~7,000–9,000 |
84
-
85
-- [[torque-dat]]
86
-
87
-## 📊 Size Comparison Table
88
-
89
-| Motor Name | Diameter (mm) | Length (mm) | Power Level | Common Use |
90
-| ---------- | ------------- | ----------- | ------------------ | ---------------------------------- |
91
-| 130 | ~15.5 | ~20 | Small / Light-duty | Toys, small fans |
92
-| 230 | ~24 | ~30 | Medium | DIY cars, small robots |
93
-| 260 | ~24 | ~36 | Medium-High | Hobby motors, gear motors |
94
-| 280 | ~24 | ~45 | High | RC cars, small drills |
95
-| 380 | ~28 | ~50–60 | Very High | Power tools, electric screwdrivers |
96
-| 540 | ~36 | ~50 | Ultra High | RC racing cars, e-bikes |
97
-
98
-
99
-
100
-## 130 Motor Overview
101
-
102
-The **130 motor** is a type of **DC motor** commonly used in toys, small appliances, and DIY electronics projects.
103
-
104
-### 🔧 Type
105
-
106
-- **Type:** Permanent Magnet Brushed DC Motor
107
-- **Category:** Small-size DC Motor
108
-
109
-### ⚙️ Specifications (Typical)
110
-
111
-- **Voltage Range:** 1.5V – 6V (Commonly 3V or 5V) ??? try up to 7V
112
-- **High RPM:** Often from a few thousand to over 10,000 RPM
113
-- **Low Torque:** Suitable for light-load applications
114
-- **Brush Type:** Brushed (uses carbon brushes and a commutator)
115
-
116
-
117
-## 230 Motor Overview
118
-
119
-The **230 motor** is a small **DC motor**, similar in design to the 130 motor but typically **larger in size and power**.
120
-
121
-### 🔧 Type
122
-
123
-- **Type:** Permanent Magnet Brushed DC Motor
124
-- **Category:** Medium-size DC Motor
125
-
126
-### ⚙️ Specifications (Typical)
127
-
128
-- **Voltage Range:** Often 3V – 12V
129
-- **Higher Torque and Power** than 130 motor
130
-- **Medium RPM** (usually lower than 130 motor, but stronger)
131
-- **Brush Type:** Brushed (uses carbon brushes)
132
-
133
-## Why Is It Called a "230 Motor"?
134
-
135
-The name **"230 motor"** comes from an informal naming convention based on the **size of the motor case**, not the voltage or power.
136
-
137
-### 📐 Meaning of "230"
138
-
139
-- **"2"** = Series or form factor group
140
-- **"30"** = Approximate **length of the motor case in millimeters** (~30 mm)
141
-
142
-So, a **230 motor** typically has:
143
-- **Diameter:** ~24 mm
144
-- **Length:** ~30 mm
145
-
146
-
147
-## 895 motor drive
148
-
149
-## 🔧 Basic Requirements to Drive an 895 Motor
150
-
151
-| Item | Purpose | Example |
152
-| ----------------------------- | ------------------------------------------------ | -------------------------------------------------- |
153
-| **Power Supply** | Feeds the motor with appropriate voltage/current | 12V–36V DC, 10–30A depending on load |
154
-| **Motor Driver / Controller** | Controls speed and direction | H-Bridge (e.g., BTS7960, VNH2SP30), PWM controller |
155
-| **PWM Signal (optional)** | Varies motor speed via duty cycle | From Arduino, Raspberry Pi, or ESC |
156
-| **Heat Dissipation** | Prevents overheating during operation | Heatsinks, cooling fans |
157
-
158
-- [[VNH2SP30-dat]] - [[BTS7960-dat]]
159
-
160
-- [[ST-dat]]
161
-
162
-
163
-## 🔄 3. 1000W+ Brushed DC Motors – ✅ *Direct power jump*
164
-
165
-| Motor | Voltage | Power | Notes |
166
-| ------------- | ------- | --------- | -------------------------------- |
167
-| **MY1020** | 24–48V | 500–1000W | E-scooters, carts, heavy DIY use |
168
-| **XYD-16/13** | 36–60V | 1000W+ | High torque, brushed, affordable |
169
-
170
-
171
-![](2025-05-13-02-44-12.png)
172
-
173
-![](2025-05-13-02-44-27.png)
174
-
175
-
176
-
177
-
178
-## ref
179
-
180
-- [[start-capacitor-dat]] <- [[capacitor-dat]]
181
-
182
-- [[DC-motor-driver-dat]]
183
-
184
-- [tear-down info of a RC car](https://www.electrodragon.com/disassemble-and-learn-a-good-build-20-rc-toy-car/)
185
-
186
-- [[motor-dat]] - [[robot-dat]]
187
-
1
+
2
+# motor-brushed-dat
3
+
4
+
5
+
6
+
7
+
8
+## Small Brushed DC Motor Series
9
+
10
+
11
+
12
+- [[motor-130-dat]]
13
+
14
+
15
+| Motor Series | Size (approx.) | Voltage Range | Typical Power | Common Use |
16
+| ------------ | --------------- | ------------- | ------------- | ----------------------------------------- |
17
+| **N20** | 10 × 12 × 15 mm | 3V – 12V | <1 W | Micro robots, locks, cameras |
18
+| **030** | ~15 mm length | 1.5V – 3V | <0.5 W | Tiny toys, fans |
19
+| **130** | ~20 mm length | 1.5V – 6V | ~1–3 W | Toys, vibrators, mini fans |
20
+| **180** | ~25 mm length | 1.5V – 6V | ~2–4 W | Small models, RC cars |
21
+| **230** | ~30 mm length | 6V – 12V | ~5–20 W | Toys, small tools, RC models |
22
+| **260** | ~32 mm length | 6V – 12V | ~10–25 W | Slot cars, drills, small pumps |
23
+| **280** | ~35 mm length | 6V – 18V | ~15–30 W | Toys, CD drives, robotics |
24
+| **360/365** | ~40 mm length | 6V – 18V | ~20–50 W | Hobby tools, gearboxes |
25
+| **380** | ~45 mm length | 6V – 18V | ~20–60 W | RC cars, fans |
26
+| **390** | ~48 mm length | 6V – 24V | ~30–70 W | Motors with higher torque |
27
+| **540** | ~55 mm length | 6V – 24V | ~50–150 W | RC cars, robots, small drills |
28
+| **550** | ~60 mm length | 6V – 24V | ~75–200 W | Power tools, gearboxes |
29
+| **775** | ~70 mm length | 12V – 24V | ~150–350 W | High-power drills, CNC, mobility projects |
30
+| **895** | ~80 mm length | 12V – 36V | ~200–500 W | High torque, heavy loads |
31
+
32
+365 type motor : 12V - 11600rpm
33
+
34
+385 type motor : 12V - 10000rpm
35
+
36
+![](2026-02-06-20-04-35.png)
37
+
38
+
39
+- more powerful motors - [[Motor-reduction-Gear-dat]] - [[motor-TT-dat]]
40
+
41
+- [[motor-brushless-dat]]
42
+
43
+
44
+
45
+## 1. 45T / 55T Motors
46
+
47
+- **"T" = Turns** of wire on the motor armature.
48
+- **Higher T (e.g., 55T)** = **More torque, lower speed**.
49
+- **Lower T (e.g., 12T)** = **Higher speed, lower torque**.
50
+- Typically **540-size** brushed motors.
51
+- Commonly used in **RC crawling/trailing** for torque and control.
52
+- A **45T motor** has **45 wraps (turns)** of copper wire around each pole of the armature.
53
+- The number of turns affects the **motor's speed and torque**.
54
+
55
+Series = 19T / 21T / 27T / 35T / 45T / 55T / 60T / 80T
56
+
57
+![](2025-05-21-12-51-19.png)
58
+
59
+### Summary Table
60
+
61
+| Spec | 45T / 55T Motor | 130 / 230 Motor |
62
+| ------ | --------------------- | ------------------------- |
63
+| Type | Brushed RC Motor | Toy motor |
64
+| Size | 540-class | Small can-type |
65
+| Torque | High (esp. 55T) | Low |
66
+| Speed | Low (esp. 55T) | Moderate |
67
+| Usage | RC crawling, trailing | Toys, fans, small gadgets |
68
+
69
+
70
+### 🔧 Approximate Torque Value
71
+- **Torque (stall):** ~300 to 400 g·cm (gram-centimeter)
72
+- **At 7.2V to 7.4V (common RC voltage)**
73
+
74
+> ⚠️ Note: This is an estimate. Some high-end 45T motors may produce more torque.
75
+
76
+### 📊 Comparison Table (Typical RC Motors at 7.2V)
77
+
78
+| Motor Type | Turns | Torque (g·cm) | Speed (RPM) |
79
+| ---------- | ----- | ------------- | -------------- |
80
+| Racing | 12T | ~100–150 | ~30,000–35,000 |
81
+| Balanced | 27T | ~200–250 | ~15,000–20,000 |
82
+| Torque | 45T | ~300–400 | ~9,000–11,000 |
83
+| Crawler | 55T | ~400–500 | ~7,000–9,000 |
84
+
85
+- [[torque-dat]]
86
+
87
+## 📊 Size Comparison Table
88
+
89
+| Motor Name | Diameter (mm) | Length (mm) | Power Level | Common Use |
90
+| ---------- | ------------- | ----------- | ------------------ | ---------------------------------- |
91
+| 130 | ~15.5 | ~20 | Small / Light-duty | Toys, small fans |
92
+| 230 | ~24 | ~30 | Medium | DIY cars, small robots |
93
+| 260 | ~24 | ~36 | Medium-High | Hobby motors, gear motors |
94
+| 280 | ~24 | ~45 | High | RC cars, small drills |
95
+| 380 | ~28 | ~50–60 | Very High | Power tools, electric screwdrivers |
96
+| 540 | ~36 | ~50 | Ultra High | RC racing cars, e-bikes |
97
+
98
+
99
+
100
+## 130 Motor Overview
101
+
102
+The **130 motor** is a type of **DC motor** commonly used in toys, small appliances, and DIY electronics projects.
103
+
104
+### 🔧 Type
105
+
106
+- **Type:** Permanent Magnet Brushed DC Motor
107
+- **Category:** Small-size DC Motor
108
+
109
+### ⚙️ Specifications (Typical)
110
+
111
+- **Voltage Range:** 1.5V – 6V (Commonly 3V or 5V) ??? try up to 7V
112
+- **High RPM:** Often from a few thousand to over 10,000 RPM
113
+- **Low Torque:** Suitable for light-load applications
114
+- **Brush Type:** Brushed (uses carbon brushes and a commutator)
115
+
116
+
117
+## 230 Motor Overview
118
+
119
+The **230 motor** is a small **DC motor**, similar in design to the 130 motor but typically **larger in size and power**.
120
+
121
+### 🔧 Type
122
+
123
+- **Type:** Permanent Magnet Brushed DC Motor
124
+- **Category:** Medium-size DC Motor
125
+
126
+### ⚙️ Specifications (Typical)
127
+
128
+- **Voltage Range:** Often 3V – 12V
129
+- **Higher Torque and Power** than 130 motor
130
+- **Medium RPM** (usually lower than 130 motor, but stronger)
131
+- **Brush Type:** Brushed (uses carbon brushes)
132
+
133
+## Why Is It Called a "230 Motor"?
134
+
135
+The name **"230 motor"** comes from an informal naming convention based on the **size of the motor case**, not the voltage or power.
136
+
137
+### 📐 Meaning of "230"
138
+
139
+- **"2"** = Series or form factor group
140
+- **"30"** = Approximate **length of the motor case in millimeters** (~30 mm)
141
+
142
+So, a **230 motor** typically has:
143
+- **Diameter:** ~24 mm
144
+- **Length:** ~30 mm
145
+
146
+
147
+## 895 motor drive
148
+
149
+## 🔧 Basic Requirements to Drive an 895 Motor
150
+
151
+| Item | Purpose | Example |
152
+| ----------------------------- | ------------------------------------------------ | -------------------------------------------------- |
153
+| **Power Supply** | Feeds the motor with appropriate voltage/current | 12V–36V DC, 10–30A depending on load |
154
+| **Motor Driver / Controller** | Controls speed and direction | H-Bridge (e.g., BTS7960, VNH2SP30), PWM controller |
155
+| **PWM Signal (optional)** | Varies motor speed via duty cycle | From Arduino, Raspberry Pi, or ESC |
156
+| **Heat Dissipation** | Prevents overheating during operation | Heatsinks, cooling fans |
157
+
158
+- [[VNH2SP30-dat]] - [[BTS7960-dat]]
159
+
160
+- [[ST-dat]]
161
+
162
+
163
+## 🔄 3. 1000W+ Brushed DC Motors – ✅ *Direct power jump*
164
+
165
+| Motor | Voltage | Power | Notes |
166
+| ------------- | ------- | --------- | -------------------------------- |
167
+| **MY1020** | 24–48V | 500–1000W | E-scooters, carts, heavy DIY use |
168
+| **XYD-16/13** | 36–60V | 1000W+ | High torque, brushed, affordable |
169
+
170
+
171
+![](2025-05-13-02-44-12.png)
172
+
173
+![](2025-05-13-02-44-27.png)
174
+
175
+
176
+
177
+
178
+## ref
179
+
180
+- [[start-capacitor-dat]] <- [[capacitor-dat]]
181
+
182
+- [[DC-motor-driver-dat]]
183
+
184
+- [tear-down info of a RC car](https://www.electrodragon.com/disassemble-and-learn-a-good-build-20-rc-toy-car/)
185
+
186
+- [[motor-dat]] - [[robot-dat]]
187
+
Tech-dat/acturator-dat/motor-dat/motor-dat.md
... ...
@@ -1,201 +1,205 @@
1
-
2
-# motor-dat
3
-
4
-- [[motor-driver-dat]]
5
-
6
-- [[RC-kits-dat]]
7
-
8
-- [[gearbox-dat]]
9
-
10
-
11
-## motor specs
12
-
13
-- [[torque-dat]] - [[capacitor-start-dat]]
14
-
15
-- [[RPM-dat]] - [[physics-dat]] - [[gear-dat]] - [[Sprocket-dat]]
16
-
17
-- [[wheel-hub-dat]] - [[wheel-dat]] - [[bearing-dat]]
18
-
19
-
20
-## motor type
21
-
22
-brushed
23
-
24
-- [[motor-brushed-dat]] == Permanent Magnet Brushed DC Motor
25
-
26
-- [[Motor-reduction-Gear-dat]] - [[motor-TT-dat]] - [[MG540-dat]] - [[MG513-dat]] - [[reduction-Gear-Motor]]
27
-
28
-- [[motor-coreless-dat]]
29
-
30
-
31
-[[motor-brushless-dat]]
32
-
33
-- [[motor-brushless-dat]]
34
-
35
-- [[motor-stepper-dat]]
36
-
37
-- [[motor-servo-dat]]
38
-
39
-- [[motor-Drum-brake-dat]]
40
-
41
-- [[vibrator-dat]]
42
-
43
-- [[motor-FPV-dat]]
44
-
45
-- [[motor-linear-dat]] - [[motor-rank-dat]]
46
-
47
-| Type | Brushed / Brushless | Key Traits | Application |
48
-| ------------------------------ | ------------------- | ---------------------------------------------- | ---------------------------------------- |
49
-| **Coreless DC motors** | Brushed | Very lightweight, fast acceleration | Drones, medical tools, high-end RC |
50
-| **DC gear motors** | Brushed | Built-in gearbox for torque | Robotics, automation, lifting mechanisms |
51
-| **Brushless DC motors (BLDC)** | Brushless | Efficient, no brushes, often sensorless | E-bikes, drones, industrial fans |
52
-| **Stepper motors** | Brushless | Precise, incremental rotation (not continuous) | 3D printers, CNC, camera sliders |
53
-| **Servo motors** | Brushed / Brushless | DC motor + feedback + control board | RC, robotics, automation |
54
-| **Industrial DC motors** | Brushed | High voltage/power, long-duty cycles | Conveyor belts, mills, elevators |
55
-
56
-## 🧱 Common Types
57
-
58
-| Motor Type | Gearbox Type | Used For |
59
-| ---------------- | ---------------- | ---------------------------- |
60
-| Brushed DC motor | Planetary / Spur | Robotics, automation, wheels |
61
-| Coreless motor | Micro spur gear | Micro robots, drones |
62
-| Stepper motor | Harmonic / Worm | Precision gear movement |
63
-
64
-
65
-
66
-
67
-## coreless Motor vs. Brushless Motor
68
-
69
-
70
-| Feature | Coreless Motor (Coreless DC Motor) | Brushless Motor (BLDC) |
71
-| ---------------------- | ------------------------------------------------ | -------------------------------------------- |
72
-| **Rotor Design** | No iron core (hollow cup winding) | Rotor has permanent magnets |
73
-| **Commutation** | **Brushed** (mechanical commutator with brushes) | **Electronic** (uses sensors or controller) |
74
-| **Inertia** | Very **low**, allowing fast response | Moderate, depending on design |
75
-| **Efficiency** | High (especially in low-power apps) | Very high (especially at medium/high power) |
76
-| **Noise** | Very **quiet** at low speed | Quiet, can produce high-frequency noise |
77
-| **Speed Response** | Extremely **fast** acceleration/deceleration | Fast, depends on controller and load |
78
-| **Lifespan** | Limited (due to brush wear) | Long (no brushes = less wear) |
79
-| **Maintenance** | May need brush replacement | Minimal maintenance |
80
-| **Control Complexity** | Simple (direct voltage control) | Requires motor controller (ESC) |
81
-| **Size / Weight** | Very compact and lightweight | Can be compact but larger for same power |
82
-| **Typical Voltage** | Low (e.g. 3V, 6V, 12V) | Can handle higher voltages (12V–60V+) |
83
-| **Cost** | Generally cheaper | More expensive due to controller and design |
84
-| **Best For** | Micro motors, medical devices, toys, robotics | Drones, RC vehicles, electric tools, e-bikes |
85
-
86
-
87
-## brushed vs brushless
88
-
89
-Brushed PMDC vs. Brushless (BLDC) Motors
90
-
91
-| Feature | Brushed PMDC Motor (e.g., 775) | Brushless DC Motor (BLDC) |
92
-| :------------------- | :------------------------------------- | :----------------------------------------------- |
93
-| **Commutation** | Mechanical (via Carbon Brushes) | Electronic (via ESC/Controller) |
94
-| **Lifespan** | Shorter (Brushes wear out over time) | Very Long (Limited only by bearings) |
95
-| **Efficiency** | Lower (Friction and heat from brushes) | Higher (Lower energy loss) |
96
-| **Maintenance** | Brushes may need replacement | Maintenance-free |
97
-| **Complexity** | Simple (Connect to DC power to run) | Complex (Requires a specialized driver) |
98
-| **EMI/Noise** | High (Arcing/sparks from brushes) | Low (Clean electronic switching) |
99
-| **Heat Dissipation** | Heat builds on the internal rotor | Heat builds on the outer stator (easier to cool) |
100
-| **Cost** | Inexpensive | More Expensive |
101
-
102
-
103
-more comprehansive Brushed vs. Brushless DC Motors
104
-
105
-| Feature | Brushed PMDC Motor | Brushless DC Motor (BLDC) |
106
-| :-------------------- | :---------------------------------- | :----------------------------------------------- |
107
-| **Visual - Wires** | **2 Wires** (Positive & Negative) | **3 Wires** (Phases) + optional 5 sensor wires |
108
-| **Visual - Rotation** | Inrunner (Only the shaft spins) | Inrunner or **Outrunner** (External shell spins) |
109
-| **Commutation** | Mechanical (Carbon Brushes) | Electronic (Transistors/ESC) |
110
-| **Internal View** | Visible commutator and brush sparks | Copper coils (stator) and magnets (rotor) |
111
-| **Efficiency** | ~75% - 80% (Lower due to friction) | **~85% - 95%** (High efficiency) |
112
-| **Lifespan** | ~1,000 - 3,000 hours (Brushes wear) | **10,000+ hours** (Limited only by bearings) |
113
-| **Top Speed** | Limited by brush friction/heat | **Very High** (Limited by balance/bearings) |
114
-| **Torque/Weight** | Moderate | **Superior** (High torque-to-weight ratio) |
115
-| **Control System** | Simple DC Switch / PWM MOSFET | Complex **ESC (Electronic Speed Controller)** |
116
-| **Cost** | Low (Economy choice) | Higher (Investment in controller + motor) |
117
-| **Example Models** | 775, 550, 370 Motors | Drone motors, Hoverboard Hubs, E-bike motors |
118
-
119
-
120
-
121
-## motor by purpose
122
-
123
-- [[motor-dat]] - [[waterpoof-dat]] - [[motor-waterproof-dat]]
124
-
125
-
126
-
127
-
128
-
129
-
130
-
131
-## commerlized motor system demo
132
-
133
-![](2025-04-02-17-27-39.png)
134
-
135
-![](2025-04-02-17-27-47.png)
136
-
137
-![](2025-04-02-17-28-34.png)
138
-
139
-
140
-## mechanical parts
141
-
142
-- [[shaft-coupler-dat]]
143
-
144
-
145
-
146
-## Using Lower KV Motors on Mobula8
147
-
148
-### 1. What KV Means
149
-- KV = Motor RPM per volt (without load)
150
-- Higher KV → faster motor spin → more aggressive flight
151
-- Lower KV → slower spin → smoother, more controllable flight
152
-
153
----
154
-
155
-### 2. Advantages of Lower KV Motors
156
-- **Smoother indoor flight:** Slower response makes hovering and gentle maneuvers easier
157
-- **Less vibration:** Easier to tune PID for stable flight
158
-- **Lower heat & power draw:** Motors and ESCs run cooler, extending life
159
-- **Longer flight time:** Less energy wasted on high-speed spinning
160
-
161
----
162
-
163
-### 3. Disadvantages / Considerations
164
-- **Less thrust:** Mobula8 might struggle with fast flips or aggressive maneuvers
165
-- **Battery voltage match:** Lower KV may require slightly higher voltage (2S→3S) to maintain comparable thrust
166
-- **Propeller size & pitch:** Lower KV works better with slightly larger or higher-pitch props, but Mobula8 frame limits size
167
-
168
----
169
-
170
-### 4. Practical Notes
171
-- Stock Mobula8 motors: **EX1103 KV11000**
172
-- Lower KV options: **KV9000–KV10000** for smoother indoor flight
173
-- ESCs must handle motor current; check your 4A–5A rating is sufficient
174
-
175
----
176
-
177
-### 5. Summary
178
-- ✅ **Indoor/cinematic flying:** Lower KV preferred
179
-- ⚠️ **Freestyle/acro flying:** Might reduce agility
180
-- Adjust **PID and throttle curves** in Betaflight after motor swap
181
-
182
-
183
-
184
-## motor by voltage
185
-
186
-- [[li-battery-dat]] - [[4.2V-dat]] - [[motor-130-dat]]
187
-
188
-- [[12V-dat]] - [[reduction-Gear-Motor-dat]]
189
-
190
-
191
-
192
-
193
-## apps
194
-
195
-- [[vacuum-cleaner-dat]] - [[robot-dat]] - [[roller-dat]]
196
-
197
-
198
-
199
-## ref
200
-
1
+
2
+# motor-dat
3
+
4
+- [[motor-driver-dat]]
5
+
6
+- [[RC-kits-dat]]
7
+
8
+- [[gearbox-dat]]
9
+
10
+
11
+## motor drive
12
+
13
+- [[motor-dat]] - [[motor-driver-DC-dat]] - [[motor-driver-rc-dat]] - [[motor-driver-dat]]
14
+
15
+## motor specs
16
+
17
+- [[torque-dat]] - [[capacitor-start-dat]]
18
+
19
+- [[RPM-dat]] - [[physics-dat]] - [[gear-dat]] - [[Sprocket-dat]]
20
+
21
+- [[wheel-hub-dat]] - [[wheel-dat]] - [[bearing-dat]]
22
+
23
+
24
+## motor type
25
+
26
+brushed
27
+
28
+- [[motor-brushed-dat]] == Permanent Magnet Brushed DC Motor
29
+
30
+- [[Motor-reduction-Gear-dat]] - [[motor-TT-dat]] - [[MG540-dat]] - [[MG513-dat]] - [[reduction-Gear-Motor]]
31
+
32
+- [[motor-coreless-dat]]
33
+
34
+
35
+[[motor-brushless-dat]]
36
+
37
+- [[motor-brushless-dat]]
38
+
39
+- [[motor-stepper-dat]]
40
+
41
+- [[motor-servo-dat]]
42
+
43
+- [[motor-Drum-brake-dat]]
44
+
45
+- [[vibrator-dat]]
46
+
47
+- [[motor-FPV-dat]]
48
+
49
+- [[motor-linear-dat]] - [[motor-rank-dat]]
50
+
51
+| Type | Brushed / Brushless | Key Traits | Application |
52
+| ------------------------------ | ------------------- | ---------------------------------------------- | ---------------------------------------- |
53
+| **Coreless DC motors** | Brushed | Very lightweight, fast acceleration | Drones, medical tools, high-end RC |
54
+| **DC gear motors** | Brushed | Built-in gearbox for torque | Robotics, automation, lifting mechanisms |
55
+| **Brushless DC motors (BLDC)** | Brushless | Efficient, no brushes, often sensorless | E-bikes, drones, industrial fans |
56
+| **Stepper motors** | Brushless | Precise, incremental rotation (not continuous) | 3D printers, CNC, camera sliders |
57
+| **Servo motors** | Brushed / Brushless | DC motor + feedback + control board | RC, robotics, automation |
58
+| **Industrial DC motors** | Brushed | High voltage/power, long-duty cycles | Conveyor belts, mills, elevators |
59
+
60
+## 🧱 Common Types
61
+
62
+| Motor Type | Gearbox Type | Used For |
63
+| ---------------- | ---------------- | ---------------------------- |
64
+| Brushed DC motor | Planetary / Spur | Robotics, automation, wheels |
65
+| Coreless motor | Micro spur gear | Micro robots, drones |
66
+| Stepper motor | Harmonic / Worm | Precision gear movement |
67
+
68
+
69
+
70
+
71
+## coreless Motor vs. Brushless Motor
72
+
73
+
74
+| Feature | Coreless Motor (Coreless DC Motor) | Brushless Motor (BLDC) |
75
+| ---------------------- | ------------------------------------------------ | -------------------------------------------- |
76
+| **Rotor Design** | No iron core (hollow cup winding) | Rotor has permanent magnets |
77
+| **Commutation** | **Brushed** (mechanical commutator with brushes) | **Electronic** (uses sensors or controller) |
78
+| **Inertia** | Very **low**, allowing fast response | Moderate, depending on design |
79
+| **Efficiency** | High (especially in low-power apps) | Very high (especially at medium/high power) |
80
+| **Noise** | Very **quiet** at low speed | Quiet, can produce high-frequency noise |
81
+| **Speed Response** | Extremely **fast** acceleration/deceleration | Fast, depends on controller and load |
82
+| **Lifespan** | Limited (due to brush wear) | Long (no brushes = less wear) |
83
+| **Maintenance** | May need brush replacement | Minimal maintenance |
84
+| **Control Complexity** | Simple (direct voltage control) | Requires motor controller (ESC) |
85
+| **Size / Weight** | Very compact and lightweight | Can be compact but larger for same power |
86
+| **Typical Voltage** | Low (e.g. 3V, 6V, 12V) | Can handle higher voltages (12V–60V+) |
87
+| **Cost** | Generally cheaper | More expensive due to controller and design |
88
+| **Best For** | Micro motors, medical devices, toys, robotics | Drones, RC vehicles, electric tools, e-bikes |
89
+
90
+
91
+## brushed vs brushless
92
+
93
+Brushed PMDC vs. Brushless (BLDC) Motors
94
+
95
+| Feature | Brushed PMDC Motor (e.g., 775) | Brushless DC Motor (BLDC) |
96
+| :------------------- | :------------------------------------- | :----------------------------------------------- |
97
+| **Commutation** | Mechanical (via Carbon Brushes) | Electronic (via ESC/Controller) |
98
+| **Lifespan** | Shorter (Brushes wear out over time) | Very Long (Limited only by bearings) |
99
+| **Efficiency** | Lower (Friction and heat from brushes) | Higher (Lower energy loss) |
100
+| **Maintenance** | Brushes may need replacement | Maintenance-free |
101
+| **Complexity** | Simple (Connect to DC power to run) | Complex (Requires a specialized driver) |
102
+| **EMI/Noise** | High (Arcing/sparks from brushes) | Low (Clean electronic switching) |
103
+| **Heat Dissipation** | Heat builds on the internal rotor | Heat builds on the outer stator (easier to cool) |
104
+| **Cost** | Inexpensive | More Expensive |
105
+
106
+
107
+more comprehansive Brushed vs. Brushless DC Motors
108
+
109
+| Feature | Brushed PMDC Motor | Brushless DC Motor (BLDC) |
110
+| :-------------------- | :---------------------------------- | :----------------------------------------------- |
111
+| **Visual - Wires** | **2 Wires** (Positive & Negative) | **3 Wires** (Phases) + optional 5 sensor wires |
112
+| **Visual - Rotation** | Inrunner (Only the shaft spins) | Inrunner or **Outrunner** (External shell spins) |
113
+| **Commutation** | Mechanical (Carbon Brushes) | Electronic (Transistors/ESC) |
114
+| **Internal View** | Visible commutator and brush sparks | Copper coils (stator) and magnets (rotor) |
115
+| **Efficiency** | ~75% - 80% (Lower due to friction) | **~85% - 95%** (High efficiency) |
116
+| **Lifespan** | ~1,000 - 3,000 hours (Brushes wear) | **10,000+ hours** (Limited only by bearings) |
117
+| **Top Speed** | Limited by brush friction/heat | **Very High** (Limited by balance/bearings) |
118
+| **Torque/Weight** | Moderate | **Superior** (High torque-to-weight ratio) |
119
+| **Control System** | Simple DC Switch / PWM MOSFET | Complex **ESC (Electronic Speed Controller)** |
120
+| **Cost** | Low (Economy choice) | Higher (Investment in controller + motor) |
121
+| **Example Models** | 775, 550, 370 Motors | Drone motors, Hoverboard Hubs, E-bike motors |
122
+
123
+
124
+
125
+## motor by purpose
126
+
127
+- [[motor-dat]] - [[waterpoof-dat]] - [[motor-waterproof-dat]]
128
+
129
+
130
+
131
+
132
+
133
+
134
+
135
+## commerlized motor system demo
136
+
137
+![](2025-04-02-17-27-39.png)
138
+
139
+![](2025-04-02-17-27-47.png)
140
+
141
+![](2025-04-02-17-28-34.png)
142
+
143
+
144
+## mechanical parts
145
+
146
+- [[shaft-coupler-dat]]
147
+
148
+
149
+
150
+## Using Lower KV Motors on Mobula8
151
+
152
+### 1. What KV Means
153
+- KV = Motor RPM per volt (without load)
154
+- Higher KV → faster motor spin → more aggressive flight
155
+- Lower KV → slower spin → smoother, more controllable flight
156
+
157
+---
158
+
159
+### 2. Advantages of Lower KV Motors
160
+- **Smoother indoor flight:** Slower response makes hovering and gentle maneuvers easier
161
+- **Less vibration:** Easier to tune PID for stable flight
162
+- **Lower heat & power draw:** Motors and ESCs run cooler, extending life
163
+- **Longer flight time:** Less energy wasted on high-speed spinning
164
+
165
+---
166
+
167
+### 3. Disadvantages / Considerations
168
+- **Less thrust:** Mobula8 might struggle with fast flips or aggressive maneuvers
169
+- **Battery voltage match:** Lower KV may require slightly higher voltage (2S→3S) to maintain comparable thrust
170
+- **Propeller size & pitch:** Lower KV works better with slightly larger or higher-pitch props, but Mobula8 frame limits size
171
+
172
+---
173
+
174
+### 4. Practical Notes
175
+- Stock Mobula8 motors: **EX1103 KV11000**
176
+- Lower KV options: **KV9000–KV10000** for smoother indoor flight
177
+- ESCs must handle motor current; check your 4A–5A rating is sufficient
178
+
179
+---
180
+
181
+### 5. Summary
182
+- ✅ **Indoor/cinematic flying:** Lower KV preferred
183
+- ⚠️ **Freestyle/acro flying:** Might reduce agility
184
+- Adjust **PID and throttle curves** in Betaflight after motor swap
185
+
186
+
187
+
188
+## motor by voltage
189
+
190
+- [[li-battery-dat]] - [[4.2V-dat]] - [[motor-130-dat]]
191
+
192
+- [[12V-dat]] - [[reduction-Gear-Motor-dat]]
193
+
194
+
195
+
196
+
197
+## apps
198
+
199
+- [[vacuum-cleaner-dat]] - [[robot-dat]] - [[roller-dat]]
200
+
201
+
202
+
203
+## ref
204
+
201 205
- [[acturator-dat]]
... ...
\ No newline at end of file
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-DC-dat/2025-05-04-14-07-37.png
... ...
Binary files /dev/null and b/Tech-dat/acturator-dat/motor-driver-dat/motor-driver-DC-dat/2025-05-04-14-07-37.png differ
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-DC-dat/motor-driver-DC-dat.md
... ...
@@ -0,0 +1,100 @@
1
+
2
+# motor-driver-DC-dat
3
+
4
+
5
+- [[motor-dat]] - [[motor-driver-DC-dat]] - [[motor-driver-rc-dat]] - [[motor-driver-dat]]
6
+
7
+
8
+- [[RZ7886-dat]]
9
+
10
+- [[ULN2003-dat]] - [[ULN2803-dat]]
11
+
12
+- [[Darlington-transistor-array-dat]] - [[transistor-array-dat]] - [[transistor-dat]] - [[MOSFET-dat]] - [[IGBT-dat]]
13
+
14
+- [[L9110-dat]]
15
+
16
+- [[L298-dat]] - [[L293-dat]]
17
+
18
+- [[TB6612-dat]]
19
+
20
+- [[DRV8833-dat]] / [[DRV8871-dat]] / [[DRV8835-dat]] / [[DRV8825-dat]] == [[TI-motor-dat]]
21
+
22
+- [[LV8548-dat]] == [[onsemi-dat]]
23
+
24
+
25
+## 🧾 Summary Table
26
+
27
+| Chip | Max Current | Motor Voltage | Direction | PWM Speed | Footprint / Package | Notes |
28
+| ------------- | ------------------- | ------------- | --------- | --------- | --------------------------- | ------------------------------------ |
29
+| **L9110S** | ~800 mA | 2.5–12V | ✅ | ✅ | DIP-8 / SOP-8 Module | Compact, easy to use, basic driver |
30
+| **L298N** | 2A (peak: ~3A) | 5–35V | ✅ | ✅ | Multiwatt-15 / Module board | Large, needs heat sink |
31
+| **L293D** | 600 mA (peak: 1.2A) | 4.5–36V | ✅ | ✅ | DIP-16 / SOIC-16 | Basic H-bridge with built-in diodes |
32
+| **TB6612FNG** | 1.2A (3.2A peak) | 2.5–13.5V | ✅ | ✅ | SSOP-24 / Module breakout | Efficient, compact, modern choice |
33
+| **DRV8833** | 1.5A (peak: 2A) | 2.7–10.8V | ✅ | ✅ | HTSSOP-16 / QFN | Compact, protected, 2-channel driver |
34
+| **DRV8871** | 3.6A (peak: 6A) | 6.5–45V | ✅ | ✅ | SOIC-8 / MSOP | Single channel, higher power |
35
+
36
+- THB6128
37
+
38
+
39
+
40
+
41
+### # ✅ Common Features of DC Motor Driver Chips
42
+
43
+These are essential or desirable features for a DC motor driver IC, especially for brushed DC motors (like 130/230 motors):
44
+
45
+### 🔁 1. Bidirectional Drive
46
+- Allows motor to rotate **clockwise (CW)** and **counter-clockwise (CCW)**
47
+- Requires an **H-bridge** circuit internally
48
+
49
+### 🎚️ 2. PWM (Pulse Width Modulation) Support
50
+- Enables **speed control** by adjusting duty cycle
51
+- Most drivers support PWM input on EN or IN pins
52
+
53
+### 🧠 3. Input Logic Compatibility
54
+- Accepts standard **3.3V or 5V** logic signals from microcontrollers (Arduino, Raspberry Pi, ESP32, etc.)
55
+
56
+### 🔐 4. Built-in Protection Features
57
+- **Overcurrent protection**: Prevents damage from short circuits or heavy loads
58
+- **Thermal shutdown**: Protects the IC from overheating
59
+- **Undervoltage lockout**: Disables the chip if supply voltage drops too low
60
+
61
+### 📈 5. Current Rating
62
+- Should handle the **motor's stall current** without damage (e.g., 1A+ for 230 motor)
63
+
64
+### 🧲 6. Brake Mode (Optional)
65
+- Allows fast motor stop by shorting terminals
66
+- Useful for precise or quick motion control
67
+
68
+### 🔄 7. Sleep or Enable Pin
69
+- Allows putting the driver in low-power mode or turning off the motor without cutting power
70
+
71
+### 🔌 8. Separate Motor and Logic Supply
72
+- Often supports **dual power rails** (e.g., 5V logic and 6–12V motor power)
73
+
74
+### ⚡ 9. Flyback Diodes (Freewheeling Diodes)
75
+- Either **built-in or required externally**
76
+- Protects the driver from voltage spikes caused by motor inductance
77
+
78
+### 🧩 10. Compact Footprint / Module Availability
79
+- Available as SMD ICs or in **breakout boards** for prototyping
80
+
81
+### 📘 Bonus Features (Advanced Chips)
82
+- **Current sensing** output (e.g., DRV8871)
83
+- **I2C/SPI control** (e.g., DRV8830 has I2C)
84
+- **Phase/Enable or IN1/IN2 logic modes**
85
+- **Soft start** / controlled acceleration
86
+
87
+
88
+
89
+## alternative
90
+
91
+- HR8833 == 2x H-bridge
92
+
93
+![](2025-05-04-14-07-37.png)
94
+
95
+
96
+## ref
97
+
98
+- [[motor-driver-dat]] - [[dc-motor-dat]]
99
+
100
+- [[DC-motor-driver]] - [[motor-driver]]
... ...
\ No newline at end of file
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-dat.md
... ...
@@ -1,6 +1,7 @@
1 1
2 2
# motor-driver-dat
3 3
4
+- [[motor-dat]] - [[motor-driver-DC-dat]] - [[motor-driver-rc-dat]] - [[motor-driver-dat]]
4 5
5 6
6 7
- [[driver-hardware-dat]] - [[motor-driver-dat]] - [[fan-driver-dat]] - [[LED-driver-dat]]
Tech-dat/acturator-dat/motor-driver-dat/motor-driver-rc-dat/motor-driver-rc-dat.md
... ...
@@ -2,12 +2,16 @@
2 2
3 3
# motor-driver-rc-dat
4 4
5
-- [[motor-driver-dat]] - [[motor-driver-rc-dat]] - [[rc-dat]] -
5
+- [[rc-dat]] - [[motor-driver-dat]] - [[motor-driver-rc-dat]] - [[capacitor-start-dat]]
6 6
7 7
- [[TA6586-dat]] - [[motor-driver-dat]] - [[ruizhi-dat]] - [[RZ7886-dat]]
8 8
9
+- [[frequency-dat]] - [[frequency-rc-dat]]
9 10
10 11
12
+- [[capacitor-start-dat]] for normal small [[motor-brushed-dat]] == 104 0.1UF
13
+
14
+- [[motor-dat]] - [[motor-driver-DC-dat]] - [[motor-driver-rc-dat]]
11 15
12 16
## ref
13 17
Tech-dat/tech-dat.md
... ...
@@ -164,7 +164,7 @@
164 164
165 165
- [[acturator-dat]] - [[motor-dat]] - [[motion-control-system-dat]] - [[motor-brushed-dat]] - [[motor-brushless-dat]] - [[motor-stepper-dat]] - [[motor-servo-dat]] - [[control-dat]]
166 166
167
-- [[driver-hardware-dat]] - [[motor-driver-dat]] - [[fan-driver-dat]] - [[LED-driver-dat]] - [[motor-driver-stepper-dat]]
167
+- [[driver-hardware-dat]] - [[motor-driver-dat]] - [[fan-driver-dat]] - [[LED-driver-dat]] - [[motor-driver-stepper-dat]] - [[motor-driver-rc-dat]]
168 168
169 169
170 170
- [[motor-driver-dat]]