Seeed Studio IoT Button is an inexpensive ESP32-C6 button powered by a rechargeable 18650 battery and designed to easily and quickly control Smart Home ...

In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie ... The DIY Walkie-Talkie circuit diagram. (Credit: Clemens Valens ...

So [David] approached things a bit more methodically; by adding a proper motor controller and dumping the original momentary switch ... for the ESP32, a parts list, a wiring diagram, and ...