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 ...

This humidity sensor consists of 2 copper conductors that are located at ... sensors drops below a certain value then the Schmitt trigger (T1 and T2) switches. The RS N1/N2 bistable multivibrator is ...

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 ...