€ 14,00 Adafruit Metro Mini 328 5V 16MHz microcontroller € 1,00 ALPS RK09K113-LIN10K linear potentiometer 10kΩ € 1,00 7 VISHAY VI MBE04140C2000 200Ω 0,6W resistors € 1,00 ON Semiconductor TIP120 NPN ...
This schematic is a project in which we control the switching of bulb/lamp using Arduino and NPN TIP120 Power transistor (used as a switch).
A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...