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Building a remote-controlled car with Raspberry Pi Pico

License: MIT License

Makefile 0.05% Python 99.91% Processing 0.04%

robotics robot fritzing ps2-controller gerber hobby-project hobby schematics pi-pico raspberry-pi-pico

robot's Introduction

Yes, it's yet another hobby robot, like many of those based on Arduino. So, to make it more fun, it features:

Raspberry Pi Pico instead of an Arduino board
My own tiny asynchronous event loop (since CircuitPython doesn't have one)
Custom «asynchronous» BNO055 driver
Multiple asynchronous tasks running «at the same time»
Simple REPL over Bluetooth
Schematics & PCB design included

Parts

Raspberry Pi Pico
Adafruit TB6612 Motor Driver Breakout Board
JDY-31 Bluetooth Module
VL53L1X Distance Sensor Breakout
BNO055 Absolute Orientation IMU Fusion Breakout
PS2 Wireless Receiver
Piezo Buzzer

Schematics

External resources

robot's People

Contributors

Stargazers

Watchers

robot's Issues

Add UI in Processing

Instead of the serial REPL, use Processing to control the vehicle remotely, and receive and render telemetry.

I'm not sure on a specific app-level serial protocol yet, just that messages should be as short as possible because the serial communication is quite slow. Probably gonna be sort of TLV, optimised for message length.

Integrate BNO055

GP14 and GP15 for I²C.

Source code
README
PCB
Schematics

Integrate PS2 controller receiver

GP10, GP11, GP12, and GP13 for SPI.

https://www.aliexpress.com/item/32882754928.html

Source code: try the hardware SPI first
Schematics: re-connect to the other pins
PCB: re-route the wires

Integrate VL53L1X

Source code
Schematics
PCB
README

GP14 and GP15 for I²C, and possibly GP8 for interrupts.

Integrate the motor driver

Source code
Schematics
PCB

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