Wzhooh

Slot Car Lap Timer

Resources

• Web dashboard
• Schematics
• Gerber files
• BOM
• Interactive BOM

Installation

1. Download latest firmware build from Releases page
2. Hold the BOOTSEL button while connecting your board to the computer
3. Copy firmware file downloaded earlier to the RPi-RP2 disk
4. Enjoy

Building firmware

1. Install rustup by following the instructions at https://rustup.rs
2. Install Cortex-M0, M0+, and M1 (ARMv6-M architecture) target: rustup target add thumbv6m-none-eabi
3. Install LLVM tools: rustup component add llvm-tools-preview
4. Install cargo-binutils: cargo install cargo-binutils (Note: on some Linux distros (e.g. Ubuntu) you may need to install the packages build-essential, gcc-arm-none-eabi, libssl-dev and pkg-config prior to installing cargo-binutils)
5. Install elf2uf2: cargo install elf2uf2-rs
6. Clone this repo: git clone [email protected]:dotcypress/wzhooh.git && cd wzhooh
7. Hold the BOOTSEL button while connecting your board to the computer
8. Flash microcontroller: cargo run --release

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.