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... ...
@@ -1,28 +0,0 @@
1
-
2
-# wire-steel-dat
3
-
4
-- [[steel-wire-rope-fitting-dat]]
5
-
6
-- diameter 2mm == carry 50KGs
7
-
8
-![](2025-11-26-20-27-42.png)
9
-
10
-## specs
11
-
12
-![](2025-11-26-20-28-48.png)
13
-
14
-
15
-
16
-
17
-
18
-## ref
19
-
20
-- [[cable-iron]] - [[cable]]
21
-
22
-
23
-
24
-
25
-
26
-## ref
27
-
28
-- [[cable-dat]]
... ...
\ No newline at end of file
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... ...
@@ -1,113 +0,0 @@
1
-
2
-# wire-steel-fitting-dat
3
-
4
-
5
-Steel wire ropes have various fittings (end terminals, hooks, connectors, etc.). Common types are categorized below:
6
-
7
-
8
-![](2025-11-26-20-18-13.png)
9
-
10
-
11
-
12
-| Type | size | Suitable Wire Rope Diameter |
13
-| ------------ | ---- | --------------------------- |
14
-| Single Clamp | M2 | 0.8mm / 1mm / 1.2mm / 1.5mm |
15
-| Single Clamp | M3 | 2mm / 2.5mm |
16
-| Single Clamp | M4 | 3mm |
17
-| Single Clamp | M5 | 4mm |
18
-| Single Clamp | M6 | 5mm |
19
-| Single Clamp | M8 | 6mm |
20
-| Single Clamp | M10 | 8mm |
21
-| Double Clamp | M2 | 0.8mm / 1mm / 1.2mm / 1.5mm |
22
-| Double Clamp | M3 | 2mm / 2.5mm |
23
-| Double Clamp | M4 | 3mm |
24
-| Double Clamp | M5 | 4mm |
25
-| Double Clamp | M6 | 5mm |
26
-| Double Clamp | M8 | 6mm |
27
-| Double Clamp | M10 | 8mm |
28
-
29
-
30
-
31
-![](2025-11-26-20-24-07.png)
32
-
33
-## Wire Rope Clip / Clamp
34
-
35
-![](2025-11-26-20-21-04.png)
36
-
37
-
38
-## category
39
-
40
----
41
-
42
-### 1. End Terminals / Rope Ends
43
-| English | Use |
44
-| ---------------------- | ------------------------------------------------------------ |
45
-| Ferrule / Sleeve | Secures the wire rope end, usually by crimping |
46
-| Wire Rope Clip / Clamp | Temporary or adjustable fixing of wire rope, often for loops |
47
-| Eye / Loop | Creates a loop or hook at the rope end |
48
-
49
----
50
-
51
-### 2. Hooks / Lifting Fittings
52
-| English | Use |
53
-| ----------------------- | --------------------------------------------- |
54
-| Hook | Lifting and hoisting applications |
55
-| Snap Hook / Spring Hook | Quick connection |
56
-| Swivel / Eye Bolt | Prevents twisting, connects lifting equipment |
57
-
58
----
59
-
60
-### 3. Connecting / Swivel Fittings
61
-| English | Use |
62
-| ------------------- | --------------------------------------------- |
63
-| Swivel | Prevents wire rope from twisting |
64
-| Shackle / D-Shackle | Connects wire rope to other fittings or loads |
65
-
66
----
67
-
68
-### 4. Other Accessories
69
-| English | Use |
70
-| ---------- | ----------------------------------------- |
71
-| Turnbuckle | Adjusts tension in the wire rope |
72
-| Thimble | Reinforces wire rope loops, prevents wear |
73
-
74
----
75
-
76
-**Tips:**
77
-- **Ferrule / Sleeve** is usually permanent, while **Wire Rope Clip** can be removed and reused.
78
-- **Thimble** is often used with an **Eye Loop** to protect the rope from wear.
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-## accessories
88
-
89
-![](2025-11-21-18-31-44.png)
90
-
91
-
92
-![](2025-11-21-18-32-10.png)
93
-
94
-
95
-![](2025-11-21-18-32-53.png)
96
-
97
-![](2025-11-21-18-33-15.png)
98
-
99
-- U型夹头
100
-- 铝套
101
-- 单双夹头
102
-- 膨胀螺丝
103
-- 花篮螺丝
104
-- 鸡心环
105
-
106
-
107
-
108
-
109
-
110
-
111
-## ref
112
-
113
-- [[safety-dat]]
... ...
\ No newline at end of file
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Tech-dat/cable-dat/wire-steel-dat/wire-steel-dat.md
... ...
@@ -0,0 +1,33 @@
1
+
2
+# wire-steel-dat
3
+
4
+- [[wire-steel-fitting-dat]]
5
+
6
+- [[wire-steel-holder-dat]]
7
+
8
+
9
+## info
10
+
11
+- diameter 2mm == carry 50KGs
12
+
13
+![](2025-11-26-20-27-42.png)
14
+
15
+## specs
16
+
17
+![](2025-11-26-20-28-48.png)
18
+
19
+
20
+
21
+
22
+
23
+## ref
24
+
25
+- [[wire-steel]] - [[cable]]
26
+
27
+
28
+
29
+
30
+
31
+## ref
32
+
33
+- [[cable-dat]]
... ...
\ No newline at end of file
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... ...
@@ -0,0 +1,113 @@
1
+
2
+# wire-steel-fitting-dat
3
+
4
+
5
+Steel wire ropes have various fittings (end terminals, hooks, connectors, etc.). Common types are categorized below:
6
+
7
+
8
+![](2025-11-26-20-18-13.png)
9
+
10
+
11
+
12
+| Type | size | Suitable Wire Rope Diameter |
13
+| ------------ | ---- | --------------------------- |
14
+| Single Clamp | M2 | 0.8mm / 1mm / 1.2mm / 1.5mm |
15
+| Single Clamp | M3 | 2mm / 2.5mm |
16
+| Single Clamp | M4 | 3mm |
17
+| Single Clamp | M5 | 4mm |
18
+| Single Clamp | M6 | 5mm |
19
+| Single Clamp | M8 | 6mm |
20
+| Single Clamp | M10 | 8mm |
21
+| Double Clamp | M2 | 0.8mm / 1mm / 1.2mm / 1.5mm |
22
+| Double Clamp | M3 | 2mm / 2.5mm |
23
+| Double Clamp | M4 | 3mm |
24
+| Double Clamp | M5 | 4mm |
25
+| Double Clamp | M6 | 5mm |
26
+| Double Clamp | M8 | 6mm |
27
+| Double Clamp | M10 | 8mm |
28
+
29
+
30
+
31
+![](2025-11-26-20-24-07.png)
32
+
33
+## Wire Rope Clip / Clamp
34
+
35
+![](2025-11-26-20-21-04.png)
36
+
37
+
38
+## category
39
+
40
+---
41
+
42
+### 1. End Terminals / Rope Ends
43
+| English | Use |
44
+| ---------------------- | ------------------------------------------------------------ |
45
+| Ferrule / Sleeve | Secures the wire rope end, usually by crimping |
46
+| Wire Rope Clip / Clamp | Temporary or adjustable fixing of wire rope, often for loops |
47
+| Eye / Loop | Creates a loop or hook at the rope end |
48
+
49
+---
50
+
51
+### 2. Hooks / Lifting Fittings
52
+| English | Use |
53
+| ----------------------- | --------------------------------------------- |
54
+| Hook | Lifting and hoisting applications |
55
+| Snap Hook / Spring Hook | Quick connection |
56
+| Swivel / Eye Bolt | Prevents twisting, connects lifting equipment |
57
+
58
+---
59
+
60
+### 3. Connecting / Swivel Fittings
61
+| English | Use |
62
+| ------------------- | --------------------------------------------- |
63
+| Swivel | Prevents wire rope from twisting |
64
+| Shackle / D-Shackle | Connects wire rope to other fittings or loads |
65
+
66
+---
67
+
68
+### 4. Other Accessories
69
+| English | Use |
70
+| ---------- | ----------------------------------------- |
71
+| Turnbuckle | Adjusts tension in the wire rope |
72
+| Thimble | Reinforces wire rope loops, prevents wear |
73
+
74
+---
75
+
76
+**Tips:**
77
+- **Ferrule / Sleeve** is usually permanent, while **Wire Rope Clip** can be removed and reused.
78
+- **Thimble** is often used with an **Eye Loop** to protect the rope from wear.
79
+
80
+
81
+
82
+
83
+
84
+
85
+
86
+
87
+## accessories
88
+
89
+![](2025-11-21-18-31-44.png)
90
+
91
+
92
+![](2025-11-21-18-32-10.png)
93
+
94
+
95
+![](2025-11-21-18-32-53.png)
96
+
97
+![](2025-11-21-18-33-15.png)
98
+
99
+- U型夹头
100
+- 铝套
101
+- 单双夹头
102
+- 膨胀螺丝
103
+- 花篮螺丝
104
+- 鸡心环
105
+
106
+
107
+
108
+
109
+
110
+
111
+## ref
112
+
113
+- [[safety-dat]]
... ...
\ No newline at end of file
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... ...
@@ -0,0 +1,4 @@
1
+
2
+# wire-steel-holder-dat
3
+
4
+![](2025-12-06-13-06-36.png)
... ...
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@@ -4,10 +4,25 @@
4 4
5 5
- PVC tube
6 6
- acrylic box
7
-- aluminum canister
7
+
8
+
9
+
10
+## aluminum canister
11
+
12
+- Theoretical minimum: <1 mm for a tiny cylinder.
13
+- Practical safe design: 3–5 mm aluminum alloy (6061-T6) cylinder for 100 m depth.
14
+
15
+![](2025-12-06-13-20-04.png)
16
+
17
+
18
+![](2025-12-06-13-21-57.png)
19
+
20
+
8 21
9 22
10 23
11 24
## ref
12 25
26
+- [[waterproof]] - [[waterproof-container]]
27
+
13 28
- [[waterproof-dat]]
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app-dat/Periscope-dat/Periscope-dat.md
... ...
@@ -0,0 +1,8 @@
1
+
2
+# Periscope-dat
3
+
4
+
5
+A device that allows observation from a concealed or protected position, typically using mirrors or prisms to reflect light.
6
+
7
+- [[optical-design-dat]]
8
+
app-dat/RC-apps-dat/RC-apps-dat.md
... ...
@@ -3,33 +3,30 @@
3 3
4 4
- [[RC-dat]]
5 5
6
-- [[rover-dat]] - [[RC-car-dat]] - [[RC-car-hack-dat]] - [[video-rc-car-dat]]
6
+- [[rc-rover-dat]] - [[RC-car-dat]] - [[RC-car-hack-dat]] - [[video-rc-car-dat]] - [[Curiosity-rover-dat]]
7 7
8
-- [[Curiosity-rover-dat]]
8
+- [[UAV-dat]]
9 9
10
-- [[quadcopter-dat]] - [[FPV-dat]]
10
+- [[mechanics]] - [[materials-dat]]
11 11
12
-- [[rc-aircraft-dat]] - [[fixed-wing-dat]]
12
+- [[rc-aircraft-dat]] - [[quadcopter-dat]] - [[FPV-dat]] - [[rc-aircraft-dat]] - [[fixed-wing-dat]]
13 13
14
-- [[UAV-dat]]
14
+- [[RC-kits-dat]]
15
+
16
+- [[rc-marine-vehicle-dat]] - [[ROV-dat]] - [[rc-boat-dat]]
15 17
16
-- [[rc-code-dat]]
17 18
18
-- [[ROV-dat]] - [[rc-boat-dat]]
19 19
20
-- [[mechanics]] - [[materials-dat]]
21 20
22
-- [[rc-aircraft-dat]]
23 21
24
-- [[RC-kits-dat]]
25 22
26 23
## RC - signal
27 24
28 25
- [[RC-signal-dat]]
29 26
30
-## RC - systems
27
+## RC - SDK systems
31 28
32
-- [[ardupilot-dat]]
29
+- [[ardupilot-dat]] - [[rc-code-dat]]
33 30
34 31
## RC - Hardware
35 32
app-dat/RC-apps-dat/rc-Marine-vehicle-dat/rc-boat-dat/2025-12-06-13-24-36.png
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@@ -12,8 +12,13 @@
12 12
13 13
![](2025-12-04-00-32-03.png)
14 14
15
+
16
+## DIY level build
17
+
15 18
![](2025-12-04-00-33-16.png)
16 19
20
+![](2025-12-06-13-24-36.png)
21
+
17 22
## air-propelled
18 23
19 24
Catamaran: Greatly improves stability.
... ...
@@ -31,4 +36,6 @@ Wind power: Fans blow air, generating a recoil force that propels the hull forwa
31 36
32 37
## ref
33 38
39
+- [[rc-apps-dat]]
40
+
34 41
- [[rc-apps]] - [[rc-boat]]
... ...
\ No newline at end of file
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... ...
@@ -0,0 +1,119 @@
1
+
2
+# Curiosity-rover-dat
3
+
4
+![](2025-11-28-14-15-08.png)
5
+
6
+
7
+## reference
8
+
9
+- [CAD animated video](https://www.youtube.com/watch?v=bP7p5Bd2d50&t=74s)
10
+
11
+
12
+
13
+
14
+
15
+## chassis
16
+
17
+![](2025-11-29-20-10-44.png)
18
+
19
+- [[rocker-bogie-suspension-dat]]
20
+
21
+The **Curiosity rover** uses a special mobility system based on the famous NASA **“Rocker–Bogie Suspension”** design.
22
+Its chassis gives it several important advantages on rough Martian terrain:
23
+
24
+---
25
+
26
+### 1. **High Stability Over Rough Terrain**
27
+- The rocker–bogie system keeps all wheels in contact with the ground.
28
+- The rover stays stable even when wheels climb over large rocks or dips.
29
+- It greatly reduces the chance of tipping over.
30
+
31
+---
32
+
33
+### 2. **Excellent Obstacle-Crossing Ability**
34
+- Curiosity can climb over rocks as tall as **65 cm** (about twice the wheel diameter).
35
+- It can also traverse slopes up to **30 degrees**.
36
+- Ideal for Mars’ uneven, rocky environment.
37
+
38
+---
39
+
40
+### 3. **Low Shock / Smooth Motion**
41
+- The suspension has **no springs**, so there is no bouncing.
42
+- Reduces shock to instruments (cameras, spectrometers, drills).
43
+- Increases measurement accuracy and protects hardware.
44
+
45
+---
46
+
47
+### 4. **High Durability and Reliability**
48
+- Few moving parts → less chance of mechanical failure.
49
+- Works in extremely cold Martian temperatures.
50
+- Designed for long missions (original goal: 2 years, now over 10+ years).
51
+
52
+---
53
+
54
+### 5. **Six-Wheel Drive System**
55
+- All six wheels have independent motors.
56
+- If one wheel is damaged, the rover can still move.
57
+- Provides very strong traction on sand, soil, and rock.
58
+
59
+---
60
+
61
+### 6. **Articulated Steering (Front & Rear Wheels)**
62
+- Front and rear wheels can steer.
63
+- Allows “tank-like” pivot turns in place.
64
+- Reduces turning radius and improves maneuverability.
65
+
66
+---
67
+
68
+### 7. **High Ground Clearance**
69
+- Tall chassis avoids getting stuck on rocks or ridges.
70
+- Keeps sensitive scientific instruments safe.
71
+
72
+---
73
+
74
+### 8. **Central Body (Chassis) Protects Instruments**
75
+- Houses power system (RTG), computers, and sensors.
76
+- Provides insulation against radiation and extreme temperatures.
77
+- Serves as a strong frame for the robotic arm and mast.
78
+
79
+---
80
+
81
+### Summary
82
+Curiosity’s chassis is optimized for:
83
+- stability
84
+- durability
85
+- obstacle handling
86
+- accurate scientific operation
87
+
88
+
89
+## gearbox
90
+
91
+### Curiosity Rover Drive System and Differential Gearbox
92
+
93
+#### 1. Drive System Overview
94
+- Curiosity has **6-wheel independent drive**; each wheel has its own motor.
95
+- The wheels are connected via the **rocker-bogie suspension system**, ensuring obstacle climbing and load distribution.
96
+- Wheel motors use **planetary gear reduction boxes** to provide high torque.
97
+
98
+#### 2. Differential Gearbox Function
99
+- In traditional vehicles, a **differential** allows left and right wheels to rotate at different speeds to prevent slipping.
100
+- For Curiosity:
101
+ - Each wheel is **independently driven** → no need for a traditional mechanical differential.
102
+ - **Electronic control** adjusts wheel speed individually, achieving the same effect as a differential.
103
+ - Small internal gears in the motor gearbox may distribute torque and protect the motor.
104
+
105
+#### 3. Summary
106
+- Curiosity does **not have a conventional mechanical differential**; electronic control replaces it.
107
+- **Planetary gearboxes** provide high torque to each wheel.
108
+- Each wheel's speed is independently adjusted based on terrain and suspension.
109
+- For RC or small rover design: **6 independent motors + electronic control** can replace a mechanical differential.
110
+
111
+> Note: This setup allows precise control over each wheel and enables stable motion on uneven terrain.
112
+
113
+
114
+- [[gearbox-dat]]
115
+
116
+
117
+## ref
118
+
119
+- [[rover-dat]] - [[rc-apps-dat]]
... ...
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... ...
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1
+
2
+# app-remote-rover-dat
3
+
4
+## features
5
+
6
+- automatically cutoff power when rover is not in use
7
+- automatically power on rover when remote is in use
... ...
\ No newline at end of file
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1
+
2
+# RC-car-dat
3
+
4
+- [[video-RC-car-dat]]
5
+
6
+basic [[tech-dat]] - [[robot-dat]]
7
+
8
+
9
+
10
+## Tracked robot platform
11
+
12
+![](2025-03-25-15-02-19.png)
13
+
14
+![](2025-03-25-15-01-11.png)
15
+
16
+
17
+![](2025-03-25-15-00-49.png)
18
+
19
+![](2025-03-25-15-00-18.png)
20
+
21
+## tricycle / four-wheels platform
22
+
23
+![](2025-03-28-18-44-53.png)
24
+
25
+tricycle
26
+
27
+Four-wheel two-drive car
28
+
29
+Four-wheel drive car
30
+
31
+Omnidirectional four-wheel two-wheel drive car
32
+
33
+
34
+## other
35
+
36
+### robot tank with camera
37
+
38
+- https://github.com/YahboomTechnology/Raspberry-pi-G1-Tank
39
+
40
+
41
+## read
42
+
43
+- [Tear down and Learn a good-build $20 RC Toy Car](https://www.electrodragon.com/disassemble-and-learn-a-good-build-20-rc-toy-car/)
44
+
45
+## ref
46
+
47
+- [[motor-dat]]
48
+
49
+- [[RC-car]]
... ...
\ No newline at end of file
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1
+
2
+# rc-car-hack-dat
3
+
4
+
5
+## 1. battery Enlargement
6
+
7
+- [[li-battery-dat]] - [[battery-pack-dat]]
8
+
9
+
10
+## 2. RC Signal Extension
11
+
12
+- improve up to 10KM by [[FPV-dat]] system [[ELRS-dat]], or [[PPM-dat]] == [[Wfly-dat]]
13
+
14
+- [[antenna-dat]]
15
+
16
+- control system - try to hack by [[arduino-dat]]
17
+
18
+## 3. Imaging System
19
+
20
+- [[video-transmission-dat]] == pickup option == [[LTE-dat]]
21
+
22
+
23
+## 4. GNSS location system
24
+
25
+- [[location-dat]]
26
+
27
+
28
+## other fancy functions
29
+
30
+- [[WS2812-dat]]
31
+
32
+
33
+
34
+
35
+## Accessories
36
+
37
+- [[Velcro-dat]]
38
+
39
+
40
+## Get Inpsired
41
+
42
+The battery can be put in your top luggage rack
43
+
44
+![](2025-05-12-18-37-13.png)
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... ...
@@ -0,0 +1,36 @@
1
+
2
+# video-RC-car-dat
3
+
4
+
5
+[[tech-dat]] - [[Camera-dat]] - [[rc-car-dat]] - [[video-transmission-dat]] - [[robot-dat]]
6
+
7
+- [[rc-car-hack-dat]]
8
+
9
+## Demos
10
+
11
+### based on cable [[fiber-optic-dat]]
12
+
13
+#### demos 1
14
+
15
+up to 100 meters
16
+
17
+![](2025-03-25-14-43-46.png)
18
+
19
+![](2025-03-25-14-48-15.png)
20
+
21
+![](2025-03-25-14-48-28.png)
22
+
23
+
24
+#### demo video 2
25
+
26
+- https://t.me/electrodragon3/334
27
+
28
+### Wireless
29
+
30
+- [[video-transmission-dat]]
31
+
32
+## ref
33
+
34
+- [[video-RC-car]] - [[RC-car]] - [[video-transmission]]
35
+
36
+- [[camera]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/rc-rover-dat/rc-rover-dat.md
... ...
@@ -0,0 +1,152 @@
1
+
2
+# rover-dat
3
+
4
+- [[ardupilot-dat]] - [[rc-dat]]
5
+
6
+
7
+
8
+- [[RC-car-dat]] - [[rover-dat]] - [[RC-car-hack-dat]]
9
+
10
+- [[rc-signal-dat]]
11
+
12
+- ARKV6X Flight Controller Overview
13
+- ARK FPV Flight Controller Overview == STM32H743IIK6 MCU
14
+- CUAV V5 Plus Overview == STM32F765
15
+
16
+- [[motor-rover-dat]]
17
+
18
+
19
+## features
20
+
21
+- [[servo-dat]] - [[gimbal-dat]] to take action or control [[camera-dat]]
22
+
23
+- [[DCDC-down-dat]]
24
+
25
+- [[ELRS-dat]] - [[RC-dat]]
26
+
27
+- [[relay-dat]] - [[mosfet-dat]] - [[acturator-dat]] conrol
28
+
29
+- [[pump-dat]] - water shoot
30
+
31
+- [[buzzer-dat]] - sound alarm
32
+
33
+- [[selfie-stick-dat]]
34
+
35
+- [[USB-dat]] - [[power-dat]] charge
36
+
37
+- [[ADC-dat]] - [[battery-dat]] monitor
38
+
39
+- [[network-dat]] - communication - [[A7670-dat]]
40
+
41
+- [[location-dat]]
42
+
43
+
44
+## mechanics
45
+
46
+- [[suspension-dat]] - [[mechanics-dat]] - [[chassis-dat]] - [[wheels-dat]] - [[shaft-connector-dat]]
47
+
48
+
49
+
50
+
51
+
52
+
53
+## boards
54
+
55
+- [[SDR1064-dat]] - [[SDR1117-dat]]
56
+
57
+
58
+
59
+## rover info
60
+
61
+![](2025-11-27-15-32-34.png)
62
+
63
+## stroller version
64
+
65
+![](2025-11-27-15-33-49.png)
66
+
67
+![](2025-11-27-15-34-08.png)
68
+
69
+
70
+## Rover Version
71
+
72
+Very basic version
73
+
74
+including functions == [[ultrasonic-sensor-dat]], [[interactive-dat]] - [[infrared-dat]] - [[line-finder-dat]] - [[MCU-dat]] - [[chassis-dat]] - [[cad-dat]] - [[wheels-dat]] - [[PCB-accesories-dat]]
75
+
76
+![](2025-06-15-12-56-47.png)
77
+
78
+plastic chassis 4WD
79
+
80
+![](2025-06-15-13-03-31.png)
81
+
82
+![](2025-06-15-14-10-56.png)
83
+
84
+![](2025-06-15-14-22-34.png)
85
+basic demo code 1 here == [[RC-code-dat]]
86
+
87
+
88
+
89
+## code
90
+
91
+- [[RC-code-dat]]
92
+
93
+
94
+
95
+## 3D printed
96
+
97
+- [[markus-rover-dat]]
98
+
99
+
100
+### 3D files
101
+
102
+![](2025-05-23-15-11-02.png)
103
+
104
+[differential drive robot](https://cad.onshape.com/documents/78baf3d450629341539223b8/w/67b1d15167c8efd1d8242192/e/0e64a58d61cf14a49375d9c6?renderMode=0&uiState=68301fdbbe87bf505c7cb858)
105
+
106
+[TT Motor 4WD Car Mecanum wheel](https://cad.onshape.com/documents/ffe6ad9ac868a2e0b125a547/w/06961ea3665cb10f47c1f6fe/e/c6b6790270216188fea6ddec?renderMode=0&uiState=6830205c37d051363fada807)
107
+
108
+[Another TT Motor 4WD Car Mecanum wheel](https://cad.onshape.com/documents/3fc9a68709b7b211c126b7b0/w/fd59e3cfbe0cf012d3264ef8/e/f35859a1e063a8642be26811?renderMode=0&uiState=68302088624d574aaab00cc0)
109
+
110
+
111
+
112
+
113
+
114
+## board 2
115
+
116
+- [[ESP32-dat]] - [[ELRS-dat]]
117
+
118
+## board
119
+
120
+- [[SDR1064-dat]]
121
+
122
+chip based [[PCA9685-dat]], [[L293-dat]], [[L298-dat]], [[TB6612-dat]] see more at [[motor-driver-dat]]
123
+
124
+Parts - [[TT-motor-dat]] - [[mecanum-wheel-dat]]
125
+
126
+
127
+## Rover Price and BOM cost 4WD
128
+
129
+- 4x 125mm [[wheel-dat]] plus [[shaft-connector-dat]] = 4x $3 == $12
130
+- 4x 100KG [[reduction-gear-motor-dat]] == 4x $11 = $44
131
+- [[sheet-dat]] built frame == $5
132
+- 4x [[motor-driver-dat]] plus [[MCU-dat]] == 4x $2 + 1x $2 == $10
133
+- 1x [[battery-dat]] == $5
134
+- 1x [[battery-charger-dat]] == $1
135
+
136
+subtotal == $77
137
+
138
+
139
+
140
+
141
+
142
+
143
+
144
+## ref
145
+
146
+- [[dc-motor-dat]] - [[motor-driver-dat]] - [[motor-dat]] - [[servo-dat]]
147
+
148
+- [[motor-rover-dat]]
149
+
150
+- [[rc-car]] - [[maker]]
151
+
152
+- [[rover-v2]]
... ...
\ No newline at end of file
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app-dat/RC-apps-dat/rover-dat/Curiosity-rover-dat/Curiosity-rover-dat.md
... ...
@@ -1,119 +0,0 @@
1
-
2
-# Curiosity-rover-dat
3
-
4
-![](2025-11-28-14-15-08.png)
5
-
6
-
7
-## reference
8
-
9
-- [CAD animated video](https://www.youtube.com/watch?v=bP7p5Bd2d50&t=74s)
10
-
11
-
12
-
13
-
14
-
15
-## chassis
16
-
17
-![](2025-11-29-20-10-44.png)
18
-
19
-- [[rocker-bogie-suspension-dat]]
20
-
21
-The **Curiosity rover** uses a special mobility system based on the famous NASA **“Rocker–Bogie Suspension”** design.
22
-Its chassis gives it several important advantages on rough Martian terrain:
23
-
24
----
25
-
26
-### 1. **High Stability Over Rough Terrain**
27
-- The rocker–bogie system keeps all wheels in contact with the ground.
28
-- The rover stays stable even when wheels climb over large rocks or dips.
29
-- It greatly reduces the chance of tipping over.
30
-
31
----
32
-
33
-### 2. **Excellent Obstacle-Crossing Ability**
34
-- Curiosity can climb over rocks as tall as **65 cm** (about twice the wheel diameter).
35
-- It can also traverse slopes up to **30 degrees**.
36
-- Ideal for Mars’ uneven, rocky environment.
37
-
38
----
39
-
40
-### 3. **Low Shock / Smooth Motion**
41
-- The suspension has **no springs**, so there is no bouncing.
42
-- Reduces shock to instruments (cameras, spectrometers, drills).
43
-- Increases measurement accuracy and protects hardware.
44
-
45
----
46
-
47
-### 4. **High Durability and Reliability**
48
-- Few moving parts → less chance of mechanical failure.
49
-- Works in extremely cold Martian temperatures.
50
-- Designed for long missions (original goal: 2 years, now over 10+ years).
51
-
52
----
53
-
54
-### 5. **Six-Wheel Drive System**
55
-- All six wheels have independent motors.
56
-- If one wheel is damaged, the rover can still move.
57
-- Provides very strong traction on sand, soil, and rock.
58
-
59
----
60
-
61
-### 6. **Articulated Steering (Front & Rear Wheels)**
62
-- Front and rear wheels can steer.
63
-- Allows “tank-like” pivot turns in place.
64
-- Reduces turning radius and improves maneuverability.
65
-
66
----
67
-
68
-### 7. **High Ground Clearance**
69
-- Tall chassis avoids getting stuck on rocks or ridges.
70
-- Keeps sensitive scientific instruments safe.
71
-
72
----
73
-
74
-### 8. **Central Body (Chassis) Protects Instruments**
75
-- Houses power system (RTG), computers, and sensors.
76
-- Provides insulation against radiation and extreme temperatures.
77
-- Serves as a strong frame for the robotic arm and mast.
78
-
79
----
80
-
81
-### Summary
82
-Curiosity’s chassis is optimized for:
83
-- stability
84
-- durability
85
-- obstacle handling
86
-- accurate scientific operation
87
-
88
-
89
-## gearbox
90
-
91
-### Curiosity Rover Drive System and Differential Gearbox
92
-
93
-#### 1. Drive System Overview
94
-- Curiosity has **6-wheel independent drive**; each wheel has its own motor.
95
-- The wheels are connected via the **rocker-bogie suspension system**, ensuring obstacle climbing and load distribution.
96
-- Wheel motors use **planetary gear reduction boxes** to provide high torque.
97
-
98
-#### 2. Differential Gearbox Function
99
-- In traditional vehicles, a **differential** allows left and right wheels to rotate at different speeds to prevent slipping.
100
-- For Curiosity:
101
- - Each wheel is **independently driven** → no need for a traditional mechanical differential.
102
- - **Electronic control** adjusts wheel speed individually, achieving the same effect as a differential.
103
- - Small internal gears in the motor gearbox may distribute torque and protect the motor.
104
-
105
-#### 3. Summary
106
-- Curiosity does **not have a conventional mechanical differential**; electronic control replaces it.
107
-- **Planetary gearboxes** provide high torque to each wheel.
108
-- Each wheel's speed is independently adjusted based on terrain and suspension.
109
-- For RC or small rover design: **6 independent motors + electronic control** can replace a mechanical differential.
110
-
111
-> Note: This setup allows precise control over each wheel and enables stable motion on uneven terrain.
112
-
113
-
114
-- [[gearbox-dat]]
115
-
116
-
117
-## ref
118
-
119
-- [[rover-dat]] - [[rc-apps-dat]]
... ...
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... ...
@@ -1,7 +0,0 @@
1
-
2
-# app-remote-rover-dat
3
-
4
-## features
5
-
6
-- automatically cutoff power when rover is not in use
7
-- automatically power on rover when remote is in use
... ...
\ No newline at end of file
app-dat/RC-apps-dat/rover-dat/rc-car-dat/2025-03-25-15-00-18.png
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/2025-03-25-15-00-49.png
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/2025-03-25-15-01-11.png
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/2025-03-25-15-02-19.png
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/2025-03-28-18-44-53.png
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/RC-car-dat.md
... ...
@@ -1,49 +0,0 @@
1
-
2
-# RC-car-dat
3
-
4
-- [[video-RC-car-dat]]
5
-
6
-basic [[tech-dat]] - [[robot-dat]]
7
-
8
-
9
-
10
-## Tracked robot platform
11
-
12
-![](2025-03-25-15-02-19.png)
13
-
14
-![](2025-03-25-15-01-11.png)
15
-
16
-
17
-![](2025-03-25-15-00-49.png)
18
-
19
-![](2025-03-25-15-00-18.png)
20
-
21
-## tricycle / four-wheels platform
22
-
23
-![](2025-03-28-18-44-53.png)
24
-
25
-tricycle
26
-
27
-Four-wheel two-drive car
28
-
29
-Four-wheel drive car
30
-
31
-Omnidirectional four-wheel two-wheel drive car
32
-
33
-
34
-## other
35
-
36
-### robot tank with camera
37
-
38
-- https://github.com/YahboomTechnology/Raspberry-pi-G1-Tank
39
-
40
-
41
-## read
42
-
43
-- [Tear down and Learn a good-build $20 RC Toy Car](https://www.electrodragon.com/disassemble-and-learn-a-good-build-20-rc-toy-car/)
44
-
45
-## ref
46
-
47
-- [[motor-dat]]
48
-
49
-- [[RC-car]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/rover-dat/rc-car-dat/rc-car-hack-dat/2025-05-12-18-37-13.png
... ...
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/rc-car-hack-dat/rc-car-hack-dat.md
... ...
@@ -1,44 +0,0 @@
1
-
2
-# rc-car-hack-dat
3
-
4
-
5
-## 1. battery Enlargement
6
-
7
-- [[li-battery-dat]] - [[battery-pack-dat]]
8
-
9
-
10
-## 2. RC Signal Extension
11
-
12
-- improve up to 10KM by [[FPV-dat]] system [[ELRS-dat]], or [[PPM-dat]] == [[Wfly-dat]]
13
-
14
-- [[antenna-dat]]
15
-
16
-- control system - try to hack by [[arduino-dat]]
17
-
18
-## 3. Imaging System
19
-
20
-- [[video-transmission-dat]] == pickup option == [[LTE-dat]]
21
-
22
-
23
-## 4. GNSS location system
24
-
25
-- [[location-dat]]
26
-
27
-
28
-## other fancy functions
29
-
30
-- [[WS2812-dat]]
31
-
32
-
33
-
34
-
35
-## Accessories
36
-
37
-- [[Velcro-dat]]
38
-
39
-
40
-## Get Inpsired
41
-
42
-The battery can be put in your top luggage rack
43
-
44
-![](2025-05-12-18-37-13.png)
app-dat/RC-apps-dat/rover-dat/rc-car-dat/video-rc-car-dat/2025-03-25-14-43-46.png
... ...
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/video-rc-car-dat/2025-03-25-14-48-15.png
... ...
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/video-rc-car-dat/2025-03-25-14-48-28.png
... ...
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app-dat/RC-apps-dat/rover-dat/rc-car-dat/video-rc-car-dat/video-RC-car-dat.md
... ...
@@ -1,36 +0,0 @@
1
-
2
-# video-RC-car-dat
3
-
4
-
5
-[[tech-dat]] - [[Camera-dat]] - [[rc-car-dat]] - [[video-transmission-dat]] - [[robot-dat]]
6
-
7
-- [[rc-car-hack-dat]]
8
-
9
-## Demos
10
-
11
-### based on cable [[fiber-optic-dat]]
12
-
13
-#### demos 1
14
-
15
-up to 100 meters
16
-
17
-![](2025-03-25-14-43-46.png)
18
-
19
-![](2025-03-25-14-48-15.png)
20
-
21
-![](2025-03-25-14-48-28.png)
22
-
23
-
24
-#### demo video 2
25
-
26
-- https://t.me/electrodragon3/334
27
-
28
-### Wireless
29
-
30
-- [[video-transmission-dat]]
31
-
32
-## ref
33
-
34
-- [[video-RC-car]] - [[RC-car]] - [[video-transmission]]
35
-
36
-- [[camera]]
... ...
\ No newline at end of file
app-dat/RC-apps-dat/rover-dat/rover-dat.md
... ...
@@ -1,152 +0,0 @@
1
-
2
-# rover-dat
3
-
4
-- [[ardupilot-dat]] - [[rc-dat]]
5
-
6
-
7
-
8
-- [[RC-car-dat]] - [[rover-dat]] - [[RC-car-hack-dat]]
9
-
10
-- [[rc-signal-dat]]
11
-
12
-- ARKV6X Flight Controller Overview
13
-- ARK FPV Flight Controller Overview == STM32H743IIK6 MCU
14
-- CUAV V5 Plus Overview == STM32F765
15
-
16
-- [[motor-rover-dat]]
17
-
18
-
19
-## features
20
-
21
-- [[servo-dat]] - [[gimbal-dat]] to take action or control [[camera-dat]]
22
-
23
-- [[DCDC-down-dat]]
24
-
25
-- [[ELRS-dat]] - [[RC-dat]]
26
-
27
-- [[relay-dat]] - [[mosfet-dat]] - [[acturator-dat]] conrol
28
-
29
-- [[pump-dat]] - water shoot
30
-
31
-- [[buzzer-dat]] - sound alarm
32
-
33
-- [[selfie-stick-dat]]
34
-
35
-- [[USB-dat]] - [[power-dat]] charge
36
-
37
-- [[ADC-dat]] - [[battery-dat]] monitor
38
-
39
-- [[network-dat]] - communication - [[A7670-dat]]
40
-
41
-- [[location-dat]]
42
-
43
-
44
-## mechanics
45
-
46
-- [[suspension-dat]] - [[mechanics-dat]] - [[chassis-dat]] - [[wheels-dat]] - [[shaft-connector-dat]]
47
-
48
-
49
-
50
-
51
-
52
-
53
-## boards
54
-
55
-- [[SDR1064-dat]] - [[SDR1117-dat]]
56
-
57
-
58
-
59
-## rover info
60
-
61
-![](2025-11-27-15-32-34.png)
62
-
63
-## stroller version
64
-
65
-![](2025-11-27-15-33-49.png)
66
-
67
-![](2025-11-27-15-34-08.png)
68
-
69
-
70
-## Rover Version
71
-
72
-Very basic version
73
-
74
-including functions == [[ultrasonic-sensor-dat]], [[interactive-dat]] - [[infrared-dat]] - [[line-finder-dat]] - [[MCU-dat]] - [[chassis-dat]] - [[cad-dat]] - [[wheels-dat]] - [[PCB-accesories-dat]]
75
-
76
-![](2025-06-15-12-56-47.png)
77
-
78
-plastic chassis 4WD
79
-
80
-![](2025-06-15-13-03-31.png)
81
-
82
-![](2025-06-15-14-10-56.png)
83
-
84
-![](2025-06-15-14-22-34.png)
85
-basic demo code 1 here == [[RC-code-dat]]
86
-
87
-
88
-
89
-## code
90
-
91
-- [[RC-code-dat]]
92
-
93
-
94
-
95
-## 3D printed
96
-
97
-- [[markus-rover-dat]]
98
-
99
-
100
-### 3D files
101
-
102
-![](2025-05-23-15-11-02.png)
103
-
104
-[differential drive robot](https://cad.onshape.com/documents/78baf3d450629341539223b8/w/67b1d15167c8efd1d8242192/e/0e64a58d61cf14a49375d9c6?renderMode=0&uiState=68301fdbbe87bf505c7cb858)
105
-
106
-[TT Motor 4WD Car Mecanum wheel](https://cad.onshape.com/documents/ffe6ad9ac868a2e0b125a547/w/06961ea3665cb10f47c1f6fe/e/c6b6790270216188fea6ddec?renderMode=0&uiState=6830205c37d051363fada807)
107
-
108
-[Another TT Motor 4WD Car Mecanum wheel](https://cad.onshape.com/documents/3fc9a68709b7b211c126b7b0/w/fd59e3cfbe0cf012d3264ef8/e/f35859a1e063a8642be26811?renderMode=0&uiState=68302088624d574aaab00cc0)
109
-
110
-
111
-
112
-
113
-
114
-## board 2
115
-
116
-- [[ESP32-dat]] - [[ELRS-dat]]
117
-
118
-## board
119
-
120
-- [[SDR1064-dat]]
121
-
122
-chip based [[PCA9685-dat]], [[L293-dat]], [[L298-dat]], [[TB6612-dat]] see more at [[motor-driver-dat]]
123
-
124
-Parts - [[TT-motor-dat]] - [[mecanum-wheel-dat]]
125
-
126
-
127
-## Rover Price and BOM cost 4WD
128
-
129
-- 4x 125mm [[wheel-dat]] plus [[shaft-connector-dat]] = 4x $3 == $12
130
-- 4x 100KG [[reduction-gear-motor-dat]] == 4x $11 = $44
131
-- [[sheet-dat]] built frame == $5
132
-- 4x [[motor-driver-dat]] plus [[MCU-dat]] == 4x $2 + 1x $2 == $10
133
-- 1x [[battery-dat]] == $5
134
-- 1x [[battery-charger-dat]] == $1
135
-
136
-subtotal == $77
137
-
138
-
139
-
140
-
141
-
142
-
143
-
144
-## ref
145
-
146
-- [[dc-motor-dat]] - [[motor-driver-dat]] - [[motor-dat]] - [[servo-dat]]
147
-
148
-- [[motor-rover-dat]]
149
-
150
-- [[rc-car]] - [[maker]]
151
-
152
-- [[rover-v2]]
... ...
\ No newline at end of file
app-dat/app-dat.md
... ...
@@ -100,4 +100,6 @@ tech based - [[camera-dat]] - [[audio-dat]]
100 100
101 101
## ref
102 102
103
-- [[maker]]
... ...
\ No newline at end of file
0
+- [[maker]]
1
+
2
+- [[physics-dat]]
... ...
\ No newline at end of file
app-dat/home-plant-dat/2025-12-06-13-29-16.png
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app-dat/home-plant-dat/home-plant-dat.md
... ...
@@ -64,3 +64,15 @@ The term "fresh air" for plants, in a technical sense, generally refers to an op
64 64
- [[mechnical-structure-dat]]
65 65
66 66
67
+## apps
68
+
69
+solar powered dripping system
70
+
71
+![](2025-12-06-13-29-16.png)
72
+
73
+
74
+
75
+## ref
76
+
77
+- [[home-plant]] - [[app]]
78
+
mechanics-dat/mechanical-parts-dat/gear-dat/gear-dat.md
... ...
@@ -0,0 +1,6 @@
1
+
2
+# gear-dat
3
+
4
+
5
+
6
+- [[gear-dat]] - [[gear-worm-dat]] - [[gearbox-dat]]
mechanics-dat/mechanical-parts-dat/mechanical-parts-dat.md
... ...
@@ -1,5 +1,14 @@
1 1
# mechanical-parts-dat
2 2
3
+
4
+
5
+
6
+
7
+
8
+- [[gear-dat]] - [[bearing-dat]] - [[bracket-dat]]
9
+
10
+
11
+
3 12
Common standard mechanical parts are roughly divided into:
4 13
5 14
Transmission parts (gears, sprockets, couplings)
mechanics-dat/mechanical-structure-dat/Fixture-dat/2025-12-06-13-09-02.png
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mechanics-dat/mechanical-structure-dat/Fixture-dat/2025-12-06-13-09-21.png
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mechanics-dat/mechanical-structure-dat/Fixture-dat/2025-12-06-13-11-35.png
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mechanics-dat/mechanical-structure-dat/Fixture-dat/Fixture-dat.md
... ...
@@ -0,0 +1,20 @@
1
+
2
+# Fixture-dat
3
+
4
+## push-pull == side
5
+
6
+![](2025-12-06-13-09-02.png)
7
+
8
+## vertical press
9
+
10
+![](2025-12-06-13-09-21.png)
11
+
12
+
13
+## door locker
14
+
15
+![](2025-12-06-13-11-35.png)
16
+
17
+
18
+## ref
19
+
20
+- [[fixture]] - [[mechanical-structure]] - [[mechanics]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/mechanical-structure-dat.md
... ...
@@ -3,6 +3,15 @@
3 3
4 4
- [[alu-extrusion-dat]]
5 5
6
+- [[rod-system-dat]]
7
+
8
+- [[motion-system-dat]]
9
+
10
+- [[belt-sys-dat]]
11
+
12
+- [[sheet-dat]]
13
+
14
+- [[cable-dat]] - [[wire-steel-dat]]
6 15
7 16
### turnover box
8 17
mechanics-dat/mechanical-structure-dat/rod-system-dat/PVC-tube-dat/PVC-tube-dat.md
... ...
@@ -122,4 +122,10 @@ For DIY or household use, do not rely on PVC + solvent welding for sustained ope
122 122
![](2025-01-13-18-43-32.png)
123 123
124 124
4D
125
-![](2025-01-13-18-43-55.png)
... ...
\ No newline at end of file
0
+![](2025-01-13-18-43-55.png)
1
+
2
+
3
+
4
+## ref
5
+
6
+- [[rod-system-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/rod-system-dat/Shaft-dat/Shaft-Cross-Connector-dat/2025-12-06-13-03-51.png
... ...
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mechanics-dat/mechanical-structure-dat/rod-system-dat/Shaft-dat/Shaft-Cross-Connector-dat/Shaft-Cross-Connector-dat.md
... ...
@@ -0,0 +1,4 @@
1
+
2
+# Shaft-Cross-Connector-dat
3
+
4
+![](2025-12-06-13-03-51.png)
... ...
\ No newline at end of file
mechanics-dat/mechanical-structure-dat/rod-system-dat/Shaft-dat/Shaft-dat.md
... ...
@@ -1,16 +1,24 @@
1 1
2 2
# Shaft-dat
3 3
4
-## 8mm
5 4
6
-## 6mm
5
+## dimension
7 6
8
-- [[limit-ring-dat]]
7
+- 8mm
9 8
9
+- 6mm - [[3d-printer-dat]]
10 10
11 11
12 12
13
+## smooth shaft accessories
13 14
14
-## related
15
+- [[shaft-limit-ring-dat]]
15 16
16
-- [[shaft-coupler-dat]]
... ...
\ No newline at end of file
0
+- [[shaft-coupler-dat]]
1
+
2
+- [[Shaft-Cross-Connector-dat]]
3
+
4
+
5
+## ref
6
+
7
+- [[rod-system-dat]]
mechanics-dat/mechanical-structure-dat/rod-system-dat/rod-system-dat.md
... ...
@@ -11,6 +11,8 @@
11 11
12 12
- [[stainless-steel-hallow-tube-dat]]
13 13
14
+
15
+
14 16
## size
15 17
16 18
- 3mm [[ABS-dat]] [[shaft-dat]] - weak
mechanics-dat/mechanics-dat.md
... ...
@@ -43,6 +43,7 @@
43 43
44 44
- [[physics-dat]] - [[optical-design-dat]]
45 45
46
+- [[waterproof-dat]]
46 47
47 48
## category 2.0
48 49
mechanics-dat/mechanism-dat/gear-worm-dat/2025-12-06-13-36-47.png
... ...
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mechanics-dat/mechanism-dat/gear-worm-dat/gear-worm-dat.md
... ...
@@ -0,0 +1,17 @@
1
+
2
+
3
+
4
+# gear-worm-dat
5
+
6
+worm and worm gear
7
+
8
+## apps
9
+
10
+lifter
11
+
12
+![](2025-12-06-13-36-47.png)
13
+
14
+
15
+## ref
16
+
17
+- [[gear-dat]] - [[gear-worm-dat]] - [[gearbox-dat]]
... ...
\ No newline at end of file
mechanics-dat/mechanism-dat/gearbox-dat/gearbox-dat.md
... ...
@@ -1,6 +1,7 @@
1 1
2 2
# gearbox-dat
3 3
4
+- [[gear-dat]] - [[gear-worm-dat]] - [[gearbox-dat]]
4 5
5 6
## common gearbox
6 7
mechanics-dat/physics-dat/optical-design-dat/optical-design-dat.md
... ...
@@ -1,7 +1,10 @@
1 1
2 2
# optical-design-dat
3 3
4
-- [[microscope-dat]]
4
+- [[microscope-dat]] - [[Periscope-dat]]
5
+
6
+
7
+
5 8
6 9
## filling materials
7 10