€ 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 ...