2 layers73.7 × 73.7 mm
Double relay
ChefsSlaad/PCBs_and_Micropython
storing custom pcbs and micropython code for home projects
24 parts
2 layers82 × 100 mm
Robo car
ChefsSlaad/PCBs_and_Micropythonstoring custom pcbs and micropython code for home projects
- Size
- 82 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 36
- Nets
- 54
- Pads
- 186
- Tracks, vias
- 490, 30
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 17 Oct 2024
- Updated
- 21 Dec 2024
Overview
Robo car is an open-source printed circuit board by ChefsSlaad, from the ChefsSlaad/PCBs_and_Micropython repository on GitHub. It is a 2-layer board of 82 × 100 mm with 36 parts on 54 nets, routed with 490 tracks and 30 vias.
It is built around the L293D, DS18B20 and DHT11, with the WS2812B and HC-SR04 among its other parts. Its parts include 18 connectors, 10 ICs, 2 fuses, 1 resistor and 1 switch.
Main components
5
L293D
DIP-16-40℃~+150℃ 1.2A 2 4.5V~36V 4mA 600mA DIP-16 Brushed DC Motor Drivers ROHSSTMicroelectronicsStepper Motor Driver
DS18B20
TO-92-55℃~+125℃ 12bit 3V~5.5V 750ms Single-bus ±0.4℃ TO-92 Temperature Sensors ROHSUMWTemperature Sensors
DHT11
SIP-4-20℃~+60℃ 1mA 3.3V~5.5V 5%RH~95%RH ±2℃ ±5%RH SIP-4 Temperature and Humidity Sensor ROHSAosong ElecTemperature And Humidity Sensor
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised
HC-SR04
-- Ultrasonic Receivers, Transmitters ROHSUniversal MicroelectronicsUltrasonic Receivers, Transmitters
Parts
36| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | WS2812B | robo-car:neopixel_pcb | U3, U4, U5, U6, U7, U8, U9 |
| 2 | L293D | Package_DIP:DIP-16_W7.62mm | U1, U2 |
| 1 | 100uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | CP1 |
| 1 | 2A PolyFuse | robo-car:restoring polyfuse | F2 |
| 1 | 2A Slow Blow | robo-car:slow_blow_polyfuse | F1 |
| 1 | 4.7uF | Capacitor_THT:CP_Radial_D4.0mm_P2.00mm | CP2 |
| 1 | 470uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | CP3 |
| 1 | 4K7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 1 | DHT11 | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J13 |
| 1 | DS18B20 | Package_TO_SOT_THT:TO-92_Inline | U10 |
| 1 | GND | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J17 |
| 1 | GPIO | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J15 |
| 1 | HC-SR04 | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J8 |
| 1 | LM2596-custom | robo-car:lm2596-custom | P1 |
| 1 | LOGO | robo-car:sensor_logo_large | G*** |
| 1 | MOTOR1 | TerminalBlock:TerminalBlock_Altech_AK300-2_P5.00mm | J1 |
| 1 | MOTOR2 | TerminalBlock:TerminalBlock_Altech_AK300-2_P5.00mm | J2 |
| 1 | MOTOR3 | TerminalBlock:TerminalBlock_Altech_AK300-2_P5.00mm | J3 |
| 1 | MOTOR4 | TerminalBlock:TerminalBlock_Altech_AK300-2_P5.00mm | J4 |
| 1 | PWR | Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical | J16 |
| 1 | RCWL-0516 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J14 |
| 1 | Raspberry_Pi_2_3 | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical | J5 |
| 1 | SERVO1 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | SERVO2 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J7 |
| 1 | SW_SPDT | robo-car:rocker switch 8.5x3.5mm 2.54piych | SW1 |
| 1 | battery screw terminal | TerminalBlock:TerminalBlock_Altech_AK300-2_P5.00mm | J18 |
| 1 | front_connect | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J20 |
| 1 | neopixel_left | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J21 |
| 1 | neopixel_right | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J22 |
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Questions
How big is the Robo car PCB?
It measures 82 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Robo car use?
36 parts, built around the L293D, DS18B20, DHT11 and WS2812B. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Robo car KiCad files?
From the ChefsSlaad/PCBs_and_Micropython repository on GitHub, at the commit this page was made from: the board is pcbs/robo-car/robo-car/robo-car.kicad_pcb and its schematic pcbs/door_relay_sensor/door_relay_sensor.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Robo car design in my own project?
Its repository states no licence, so its author keeps all rights: ask ChefsSlaad before reusing the design.