STM32 Lab: Bare-Metal GPIO Configuration
Diving into direct register manipulation and skipping the HAL
Bitbang Blog
Notes on hardware, software, and building/breaking things.
Bitbang Basics: SPI
Discover how the SPI (Serial Peripheral Interface) protocol works, its key signals, advantages, limitations, and common applications in embedded electronics and IoT devices.
Reverse Engineering a Proprietary Segment Display
Salvaging an unknown display module and writing a Arduino library for it (with plenty of Charlieplexing!!).
Reverse Engineering a Motion-Activated LED Light
A deep dive into PIR sensors and the BISS0001 controller.