Quantity   Component name
1 × Arduino currently testing only with Leonardo
5 × IR led, 940-950nm more are better, you have a better range and less troubles finding a good place for the device
1 × IR receiver 38kHz
3 × 22Ω resistors Electronic Components / Misc. Electronic Components
1 × 220Ω resistor
1 × power supply, 9V DC
1 × push button
1 × MOSFET n-channel I used a BS170
1 × RGB LED not necessary, but nice and colorful! :)