Vin: This is the input voltage pin of the Arduino board used to provide input supply from an external power source. 5V: This pin of the Arduino board is used as a regulated power supply voltage and it ...

It operates with a a BH1750 light meter and a 12vDC motor featured with slow-pace gearbox. Arduino Uno-r3, - 12v DC motor with gearbox (appox 20rpm) and L298N h-bridge and motor driver. hardware ...