Prototype WSPR2 beacon transmitter for VLF to VHF operation. Uses ESP32 module (DevKitC in prototype) connected to Si5351A module (QRP Labs synth in prototype, though any Si5351 module should work).

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

The latest refresh of skilled nursing facilities’ quality data includes the initial public reporting of new patient transfer and vaccination measures, reflecting future emphasis for the Centers for ...

This Arduino Nano Si5351 VFO code designed for the Tuna Tin S, a low power amateur radio radiotelegraphy (CW) transmitter designed by Bob Fontana, AK3Y, can also be used for a general purpose variable ...

Sometimes it makes sense to go with plain old batteries and off-the-shelf PVC pipe. That’s the thinking behind [Bertrand Selva]’s clever LoRaTube project. PVC pipe houses a self-contained LoRa ...

Arduino is probably the first thing that comes to mind for most hobbyists and students when they think about embedded systems. It has certainly gained its name among the electronics community, and in ...

Browse 500+ Arduino projects with code and circuit diagrams. From beginner tutorials to advanced Arduino project ideas - all with downloadable code and step-by-step guides.