This Python application provides a graphical user interface (GUI) to control a specific 16-channel USB relay board based on the QinHeng Electronics CH340 serial converter (ID 1a86:7523). After an ...

This project provides open-source API for low-cost USB HID relays (search on eBay for "5V USB Relay Programmable Computer Control For Smart Home"). The big advantage of HID-based interface is that no ...

MicroPython is a wonderful Python interpreter that runs on many higher-end microcontrollers, from ESP8266 to STM32 to the RP2040. MicroPython lets you build devices quickly, and its latest release, ...