Have you ever wanted to turn external electrical devices ON/OFF from your PC? In this article, we will explain how to turn LEDs on and off from a PC using the "USB RELAY X-RL2 (2-channel)," a ...
There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...