A tiny package with big potential.
Espressif, the company that makes the ESP-32 chip and its support firmware, is also making modules and development boards to support them. Their module is the ESP-WROOM32, is not just the first module ...
In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units, along ...