ESP32 battery/solar powerd environmental sensor
Par un écrivain mystérieux
Description
This year I tinkered with an environmental sensor, which should be solar powered and transmit the readings via LoraWAN (thethingsnetwork). The sensor should provide the following measured values: Fine dust (SDS011) Temperature / Humidity / Air pressure (BME280) UV Index (VEML6075) LUX (TSL2591) To save power it was clear that
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ESP32 battery/solar powerd environmental sensor
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depuis
par adulte (le prix varie selon la taille du groupe)
