Meet the little board that could: [alcor6502]’s tiny USB relay controller, now evolved into a multifunction marvel.

eliminating the dependency on Arduino libraries. During setup, the relay is initialized on the default I²C bus (I2C_NUM_0) and address (0x18). When the switch is toggled in Home Assistant, the ...

The HAL hardware abstraction layer, enabling portability between different STM32 devices via standardized API calls The Low-Layer (LL) APIs, a light-weight, optimized, expert oriented set of APIs ...