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 ...

What happens when an engineer builds a smart garden? This Arduino-powered system automates watering while collecting ...

This solar tracker system uses the Arduino UNO board ... INPUTs and position the servo motor at 90° then wait for a 2 seconds before the code execution inside the loop(). In the loop() we read the ...