BOM-DAT/CONN-DAT/CONN-power-dat/2025-12-04-01-04-59.png
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BOM-DAT/CONN-DAT/CONN-power-dat/CONN-power-dat.md
... ...
@@ -14,6 +14,15 @@
14 14
15 15
16 16
17
+## phone connector
18
+
19
+- [[phone-pixel-dat]]
20
+
21
+![](2025-12-04-01-04-59.png)
22
+
23
+
17 24
## ref
18 25
19
-- [[CONN-dat]]
... ...
\ No newline at end of file
0
+- [[CONN-dat]]
1
+
2
+- [[conn-power]] - [[conn]]
... ...
\ No newline at end of file
Tech-dat/acturator-dat/propeller-dat/2025-12-04-00-15-42.png
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Tech-dat/acturator-dat/propeller-dat/propeller-dat.md
... ...
@@ -141,6 +141,15 @@ Gemfan2925-5
141 141
![](2025-09-02-13-09-57.png)
142 142
143 143
144
+
145
+
146
+## boat propeller
147
+
148
+- [[rc-boat-dat]]
149
+
150
+![](2025-12-04-00-15-42.png)
151
+
152
+
144 153
## ref
145 154
146 155
- [[propeller]]
Tech-dat/interactive-dat/LED-dat/2025-12-03-23-58-12.png
... ...
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Tech-dat/interactive-dat/LED-dat/LED-dat.md
... ...
@@ -13,7 +13,7 @@
13 13
14 14
- [[LED-UVA-dat]]
15 15
16
-
16
+- [[RGB-led-dat]]
17 17
18 18
19 19
## LED driver boards
Tech-dat/interactive-dat/LED-dat/rgb-led-dat.md
... ...
@@ -0,0 +1,10 @@
1
+
2
+
3
+# rgb-led-dat
4
+
5
+![](2025-12-03-23-58-12.png)
6
+
7
+
8
+## ref
9
+
10
+- [[led-dat]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/RC-apps-dat.md
... ...
@@ -9,13 +9,13 @@
9 9
10 10
- [[quadcopter-dat]] - [[FPV-dat]]
11 11
12
-- [[airplane-dat]]
12
+- [[rc-aircraft-dat]] - [[fixed-wing-dat]]
13 13
14 14
- [[UAV-dat]]
15 15
16 16
- [[rc-code-dat]]
17 17
18
-- [[ROV-dat]]
18
+- [[ROV-dat]] - [[rc-boat-dat]]
19 19
20 20
21 21
... ...
@@ -67,4 +67,10 @@
67 67
### Final Answer
68 68
69 69
The **RC link update rate between your Radiomaster Pocket and Mobula8 SPI ELRS** can be set to **25 / 50 / 100 / 250 / 500 Hz**,
70
-but **500 Hz is the highest stable rate** supported by the Mobula8 SPI receiver.
... ...
\ No newline at end of file
0
+but **500 Hz is the highest stable rate** supported by the Mobula8 SPI receiver.
1
+
2
+
3
+
4
+## ref
5
+
6
+- [[mechanics-dat]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/RC-kits-dat/2025-12-03-23-55-56.png
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app-dat/RC-apps-dat/RC-kits-dat/RC-kits-dat.md
... ...
@@ -1,19 +1,37 @@
1 1
2 2
# RC-kits-dat
3 3
4
+- [[rc-kits-dat]] - [[diy-materials-dat]]
4 5
5
-## basic RC control kits
6
+
7
+basic RC link - [[rc-link-dat]]
8
+
9
+
10
+![](2025-12-04-00-13-11.png)
11
+
12
+
13
+
14
+## basic power kit kits
6 15
7 16
- [[propeller-dat]] - [[motor-dat]] - [[ESC-dat]] - [[cable-dat]]
8 17
9 18
![](2025-12-03-20-57-09.png)
10 19
11 20
21
+## kits 2
22
+
23
+rc radio / wheels / lights - [[LED-dat]]
24
+
25
+![](2025-12-03-23-55-56.png)
26
+
27
+![](2025-12-03-23-57-04.png)
12 28
13 29
14 30
15 31
## ref
16 32
33
+- [[rc-kits]]
34
+
17 35
- [[RC-apps-dat]]
18 36
19 37
- [[RC-apps]] - [[app]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/rc-aircraft-dat/fixed-wing-dat/2025-12-03-23-54-15.png
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app-dat/RC-apps-dat/rc-aircraft-dat/fixed-wing-dat/fixed-wing-dat.md
... ...
@@ -0,0 +1,27 @@
1
+
2
+# fixed-wing-dat
3
+
4
+- [[rc-kits-dat]]
5
+
6
+
7
+## cardboard model
8
+
9
+![](2025-12-03-23-59-36.png)
10
+
11
+![](2025-12-03-23-54-15.png)
12
+
13
+三角翼
14
+
15
+![](2025-12-03-23-54-30.png)
16
+
17
+手抛机
18
+
19
+![](2025-12-04-00-01-50.png)
20
+
21
+standard toy fixed wing
22
+
23
+![](2025-12-04-00-03-54.png)
24
+
25
+## ref
26
+
27
+- [[rc-apps-dat]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/rc-aircraft-dat/rc-aircraft-dat.md
... ...
@@ -4,10 +4,16 @@
4 4
5 5
- basic - [[RC-kits-dat]]
6 6
7
+
8
+
9
+
10
+
7 11
## types
8 12
9 13
- 遥控扑翼机 Ornithopter [[Ornithopter-dat]]
10 14
15
+- [[fixed-wing-dat]]
16
+
11 17
12 18
## control channels channels
13 19
app-dat/RC-apps-dat/rc-boat-dat/2025-12-04-00-14-33.png
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app-dat/RC-apps-dat/rc-boat-dat/rc-boat-dat.md
... ...
@@ -0,0 +1,34 @@
1
+
2
+# rc-boat-dat
3
+
4
+## propeller setup
5
+
6
+- [[propeller-dat]]
7
+
8
+
9
+![](2025-12-04-00-14-33.png)
10
+
11
+![](2025-12-04-00-17-02.png)
12
+
13
+![](2025-12-04-00-32-03.png)
14
+
15
+![](2025-12-04-00-33-16.png)
16
+
17
+## air-propelled
18
+
19
+Catamaran: Greatly improves stability.
20
+
21
+Wind power: Fans blow air, generating a recoil force that propels the hull forward.
22
+
23
+
24
+![](2025-12-04-00-28-59.png)
25
+
26
+![](2025-12-04-00-30-35.png)
27
+
28
+
29
+
30
+
31
+
32
+## ref
33
+
34
+- [[rc-apps]] - [[rc-boat]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/rc-vehicles-dat/rc-vehicles-dat.md
... ...
@@ -0,0 +1,7 @@
1
+
2
+# rc-vehicles-dat
3
+
4
+
5
+## ref
6
+
7
+- [[rc-apps]]
... ...
\ No newline at end of file
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... ...
@@ -0,0 +1,31 @@
1
+
2
+# diy-materials-dat
3
+
4
+
5
+
6
+- [[rc-kits-dat]] - [[diy-materials-dat]]
7
+
8
+
9
+## installation board
10
+
11
+![](2025-12-04-00-36-08.png)
12
+
13
+
14
+## foam plate
15
+
16
+![](2025-12-04-00-37-01.png)
17
+
18
+
19
+## angle
20
+
21
+![](2025-12-04-00-38-09.png)
22
+
23
+## plastic stick
24
+
25
+![](2025-12-04-00-38-55.png)
26
+
27
+
28
+
29
+## ref
30
+
31
+- [[diy-materials]]
... ...
\ No newline at end of file
app-dat/phone-dat/phone-pixel-dat/phone-pixel-dat.md
... ...
@@ -12,7 +12,9 @@
12 12
13 13
## 📱 Google Pixel 7 — Charging Support Overview
14 14
15
-- [[battery-charger-dat]]
15
+- [[battery-charger-dat]] - [[CONN-power-dat]] - [[conn-dat]]
16
+
17
+
16 18
17 19
### ⚡ Wired Charging
18 20
- **Connector:** USB-C (USB-PD 3.0 compliant)
mechanics-dat/mechanical-parts-dat/damper-dat/damper-dat.md
... ...
@@ -45,4 +45,6 @@ damper is a mechanical device that resists motion via viscous friction. It is us
45 45
46 46
- [[mechanical-parts-dat]]
47 47
48
-- [[force-dat]]
... ...
\ No newline at end of file
0
+- [[force-dat]]
1
+
2
+- [[damper]] - [[mechanical-parts]] - [[mechanics]]
... ...
\ No newline at end of file
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mechanics-dat/mechanical-parts-dat/hinge-dat/hinge-dat.md
... ...
@@ -0,0 +1,11 @@
1
+
2
+# hinge-dat
3
+
4
+![](2025-12-04-00-48-46.png)
5
+
6
+
7
+## ref
8
+
9
+- [[hinge]] - [[mechanical-parts]]
10
+
11
+- [[mechanical-parts-dat]]
... ...
\ No newline at end of file
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mechanics-dat/mechanical-structure-dat/PVC-tube-dat/PVC-tube-dat.md
... ...
@@ -1,39 +0,0 @@
1
-
2
-# PVC-tube-dat
3
-
4
-
5
-### PVC tube build
6
-
7
-| Outer diameter | thickness | length |
8
-| -------------- | --------- | --------- |
9
-| 6mm | 1mm | [1 meter] |
10
-| 7mm | 1mm | [1 meter] |
11
-| 8mm | 1mm | [1 meter] |
12
-| 9mm | 1mm | [1 meter] |
13
-| 10mm | 1mm | [1 meter] |
14
-| 11mm | 1mm | [1 meter] |
15
-| 12mm | 1mm | [1 meter] |
16
-| 13mm | 1mm | [1 meter] |
17
-| 14mm | 1mm | [1 meter] |
18
-| 16mm | 2mm | [1 meter] |
19
-
20
-#### Connector
21
-
22
-1D
23
-
24
-![](2025-01-13-18-44-58.png)
25
-
26
-2D
27
-
28
-![](2025-01-13-18-44-26.png)
29
-
30
-3D-flat
31
-
32
-![](2025-01-13-18-44-12.png)
33
-
34
-3D
35
-
36
-![](2025-01-13-18-43-32.png)
37
-
38
-4D
39
-![](2025-01-13-18-43-55.png)
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/Shaft-dat/Shaft-dat.md
... ...
@@ -1,16 +0,0 @@
1
-
2
-# Shaft-dat
3
-
4
-## 8mm
5
-
6
-## 6mm
7
-
8
-- [[limit-ring-dat]]
9
-
10
-
11
-
12
-
13
-
14
-## related
15
-
16
-- [[shaft-coupler-dat]]
... ...
\ No newline at end of file
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... ...
@@ -1,46 +0,0 @@
1
-
2
-# shaft-coupler-dat
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-## Shaft Coupler
11
-
12
-A **shaft coupler** is a mechanical component used to **connect two rotating shafts**. It primarily functions to transmit torque while allowing for slight axial, radial, or angular misalignments.
13
-
14
----
15
-
16
-### Types of Shaft Couplers
17
-
18
-#### 1. Rigid Coupler
19
-- **Features**: No elasticity, provides a solid connection, requires precise shaft alignment.
20
-- **Applications**: High-precision CNC machines, industrial machinery.
21
-
22
-#### 2. Flexible Coupler
23
-- **Features**: Can absorb slight misalignment, reduce vibration, and minimize impact.
24
-- **Common Types**:
25
- - **Jaw Coupling** – Uses an elastomer insert to absorb vibrations; suitable for stepper and servo motors.
26
- - **Bellows Coupling** – High torque transmission capability, ideal for precision applications.
27
- - **Disc Coupling** – Used in high-speed and high-precision applications, such as robotics and aerospace.
28
-
29
-#### 3. Universal Joint (U-Joint)
30
-- **Features**: Allows for larger angular misalignment, commonly used for shafts that are not in perfect alignment.
31
-- **Applications**: Automotive drivetrains, heavy machinery.
32
-
33
-#### 4. Oldham Coupling
34
-- **Features**: Compensates for significant radial misalignment, commonly used in automation and 3D printing.
35
-
36
----
37
-
38
-### Key Functions of Shaft Couplers
39
-✅ **Torque Transmission** – Connects the motor to the driven shaft for power transfer.
40
-✅ **Misalignment Compensation** – Allows slight shaft misalignment, reducing stress.
41
-✅ **Vibration & Shock Absorption** – Helps dampen vibrations and protect mechanical components.
42
-✅ **Equipment Protection** – Some couplers act as safety devices in case of overload.
43
-
44
-## ref
45
-
46
-- [[shaft-dat]] - [[shaft-coupler]] - [[shaft]]
... ...
\ No newline at end of file
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... ...
@@ -1,4 +0,0 @@
1
-
2
-# shaft-limit-ring-dat
3
-
4
-![](2025-07-08-17-48-24.png)
... ...
\ No newline at end of file
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mechanics-dat/mechanical-structure-dat/rod-system-dat/PVC-tube-dat/PVC-tube-dat.md
... ...
@@ -0,0 +1,39 @@
1
+
2
+# PVC-tube-dat
3
+
4
+
5
+### PVC tube build
6
+
7
+| Outer diameter | thickness | length |
8
+| -------------- | --------- | --------- |
9
+| 6mm | 1mm | [1 meter] |
10
+| 7mm | 1mm | [1 meter] |
11
+| 8mm | 1mm | [1 meter] |
12
+| 9mm | 1mm | [1 meter] |
13
+| 10mm | 1mm | [1 meter] |
14
+| 11mm | 1mm | [1 meter] |
15
+| 12mm | 1mm | [1 meter] |
16
+| 13mm | 1mm | [1 meter] |
17
+| 14mm | 1mm | [1 meter] |
18
+| 16mm | 2mm | [1 meter] |
19
+
20
+#### Connector
21
+
22
+1D
23
+
24
+![](2025-01-13-18-44-58.png)
25
+
26
+2D
27
+
28
+![](2025-01-13-18-44-26.png)
29
+
30
+3D-flat
31
+
32
+![](2025-01-13-18-44-12.png)
33
+
34
+3D
35
+
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+![](2025-01-13-18-43-32.png)
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+
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+4D
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+![](2025-01-13-18-43-55.png)
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mechanics-dat/mechanical-structure-dat/rod-system-dat/Shaft-dat/Shaft-dat.md
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+
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+# Shaft-dat
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+
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+## 8mm
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+
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+## 6mm
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+
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+- [[limit-ring-dat]]
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+
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+
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+
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+
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+
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+## related
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+
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+- [[shaft-coupler-dat]]
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mechanics-dat/mechanical-structure-dat/rod-system-dat/Shaft-dat/shaft-coupler-dat/shaft-coupler-dat.md
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+
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+# shaft-coupler-dat
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+
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+
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+
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+
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+
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+
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+
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+## Shaft Coupler
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+
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+A **shaft coupler** is a mechanical component used to **connect two rotating shafts**. It primarily functions to transmit torque while allowing for slight axial, radial, or angular misalignments.
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+
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+---
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+
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+### Types of Shaft Couplers
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+
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+#### 1. Rigid Coupler
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+- **Features**: No elasticity, provides a solid connection, requires precise shaft alignment.
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+- **Applications**: High-precision CNC machines, industrial machinery.
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+
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+#### 2. Flexible Coupler
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+- **Features**: Can absorb slight misalignment, reduce vibration, and minimize impact.
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+- **Common Types**:
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+ - **Jaw Coupling** – Uses an elastomer insert to absorb vibrations; suitable for stepper and servo motors.
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+ - **Bellows Coupling** – High torque transmission capability, ideal for precision applications.
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+ - **Disc Coupling** – Used in high-speed and high-precision applications, such as robotics and aerospace.
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+
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+#### 3. Universal Joint (U-Joint)
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+- **Features**: Allows for larger angular misalignment, commonly used for shafts that are not in perfect alignment.
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+- **Applications**: Automotive drivetrains, heavy machinery.
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+
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+#### 4. Oldham Coupling
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+- **Features**: Compensates for significant radial misalignment, commonly used in automation and 3D printing.
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+
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+---
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+
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+### Key Functions of Shaft Couplers
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+✅ **Torque Transmission** – Connects the motor to the driven shaft for power transfer.
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+✅ **Misalignment Compensation** – Allows slight shaft misalignment, reducing stress.
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+✅ **Vibration & Shock Absorption** – Helps dampen vibrations and protect mechanical components.
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+✅ **Equipment Protection** – Some couplers act as safety devices in case of overload.
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+
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+## ref
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+
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+- [[shaft-dat]] - [[shaft-coupler]] - [[shaft]]
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mechanics-dat/mechanical-structure-dat/rod-system-dat/Shaft-dat/shaft-limit-ring-dat/2025-07-08-17-48-24.png
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mechanics-dat/mechanical-structure-dat/rod-system-dat/Shaft-dat/shaft-limit-ring-dat/shaft-limit-ring-dat.md
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+
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+# shaft-limit-ring-dat
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+
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+![](2025-07-08-17-48-24.png)
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mechanics-dat/mechanical-structure-dat/rod-system-dat/rod-system-dat.md
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+
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+# rod-system-dat
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+
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+- [[shaft-dat]] - [[PVC-tube-dat]]
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+
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+
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+
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+## common parts
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+
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+limiter / position locker
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+
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+ID == 6 / OD == 12 / Thickness == 6
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+
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+![](2025-12-04-00-53-15.png)
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+
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+
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+## ref
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+
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+- [[mechanical-structure-dat]]
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+
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+- [[mechanical-structure]] - [[mechanics]]
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mechanics-dat/mechanics-dat.md
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@@ -39,6 +39,8 @@
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40 40
- [[mechanical-parts-dat]]
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+- [[oil-dat]]
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+
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43 45
## category 2.0
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mechanics-dat/oil-mineral-dat/2025-12-04-00-46-41.png
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mechanics-dat/oil-mineral-dat/oil-soaking-dat.md
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# oil-soaking-dat.md
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4 4
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+
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+
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+## power burned
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+
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+![](2025-12-04-00-46-41.png)
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+
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+
5 12
It looks like your 12V camera, after being soaked in mineral oil for a while, fails to start up after being powered off and on again.
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+
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This situation is very common in electronics "oil immersion" experiments. Let me help you analyze the most likely causes and troubleshooting methods.
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✅ Why does soaking in mineral oil cause startup failure?