Quantity   Component name
1 × Arduino nano
2 × 2N3904 Tranzistor
2 × 2N3906 Transistor
4 × 1N4007 diode
2 × Potentiometer 10K
2 × Led Fiber Optics / Emitters
1 × 2x3 switch
1 × Output Audio trafo from old MW radio
1 × resistors and capacitors