That’s why something like this 2×4 relay-based multiplexer might be a handy addition to your bench In this age of electronics plenty, you’d think that a simple USB relay board would be easy ...

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,… ...

I have a bunch of serial devices that I need to communicate with. Some of them are connected to native serial ports, and some have USB->RS232 adapters. I am communicating to them via the serial ...