Hal

last modified: October 23, 2025

HAL LCD Demo

Posted on 2019-08-18— Common, Projects

I added a stable Hitachi LCD driver to the HAL layer, using an MCP23008 backend to cut wiring and simplify hardware. This post walks through parts, firmware repositories, and how to run the demo via serial shell. Read the full article for setup steps, code links, and usage tips.

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A New Modular CMake Based Toolchain for Feather M0 HAL

Posted on 2019-06-19— Projects

I built a simple, modular CMake-based toolchain for Adafruit Feather M0 boards that reuses Arduino tools while giving full build control. It’s aimed at prototype work and HAL development on macOS and Linux. If you’re curious, read the full post for setup steps and examples.

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