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The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...
The Anavi Thermometer Development board is fully compatible with the Arduino IDE ... with a built-in DHT22/AM2302 temperature and humidity sensor and has slots for a mini OLED display, waterproof ...