Micro:bit Input Project

Readme written by CoPilot

This project demonstrates button input handling and LED matrix control on a BBC micro:bit v2, with serial communication capabilities.

Features

• Button A and B input detection
• Full LED matrix display feedback on button press
• Serial communication (115200 baud rate)
  • Sends 'i' when Button A is pressed
  • Sends 'j' when Button B is pressed

Prerequisites

• Rust toolchain
• thumbv7em-none-eabihf target: rustup target add thumbv7em-none-eabihf
• probe-rs: cargo install probe-rs-cli
• BBC micro:bit v2 board

Setup

1. Clone the repository
2. Connect your micro:bit v2 to your computer via USB
3. Build and flash the project:

cargo run

Project Structure

• src/main.rs - Main application code handling button inputs and LED display
• src/serial.rs - UART communication implementation
• .cargo/config.toml - Cargo configuration for cross-compilation
• Embed.toml - probe-rs configuration for flashing and debugging

Serial Protocol

The device communicates over UART with the following settings:

• Baud Rate: 115200
• Data Bits: 8
• Parity: None
• Stop Bits: 1

Output Format:

• 'i' - Button A pressed
• 'j' - Button B pressed

License

MIT License

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.