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 ...
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You, too, can make this stylish ESP32 air quality monitor with an e-ink display, and it looks stylish to boot
This ESP32-powered e-ink air quality monitor measures temperature, humidity, COâ‚‚ levels, and VOCs. It uses a custom PCB (ESP32-C3) and a 3.7" e-paper display. The full bill of materials, firmware, and ...
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