LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

SendspinZero is an open-source, DIY Sendspin audio receiver for your amplifier that relies on off-the-shelf parts costing ...

You’re probably not going to hang out around Chernobyl any time soon. Still, knowing the conditions there can both satisfy ...