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 ...

[Chris Doble] has high ambitions: he’s making his own scanning-electron microscope, and as the first step he’s built a high-vacuum system. This required its own controller to manage the various ...

These are designed for battery-powered applications such as aftermarket telematics, asset tracking, wearables, drones, micromobility, and other industrial and consumer devices. Among those, the ...