
by ans1sgithub.com/Ans1S/esp32-c3-iot-sensor-board
Open-source ESP32-C3 platform for ultra-low-power environmental sensor networks powered by recycled LiPo cells. Includes KiCad PCB, PlatformIO firmware (ESP-NOW + ThingSpeak), BME280/BME680 support, deep-sleep optimizations and measured >12 months runtime on typical cells.

Imported from a public repository by ans1s. View the source
MIT — MIT: reuse and modification are permitted, with attribution to the original author.
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Sensors, weather stations, Home Assistant and ESPHome devices, smart-home nodes.