A 4‑voice polyphonic Arduino synthesizer, medium‑wave AM radio transmitter, and educational DSP platform that turns emotions into music — and broadcasts them through the air. A complete design and ...

Following our coverage of a 4.3-inch ESP32-S31 display development board, a Facebook reader pointed out the GUITION JC3636F118C-I-YR1 rotary encoder with ...

We’re big fans of pushing hardware into situations it wasn’t designed for here at Hackaday, but sometimes you’ve got to ...

Some of the first remote controls available to consumers used sound, visible light, or even just wires to communicate with their parent device. It was many years between these first rudimentary ...