Quantity   Component name
1 × 3.5mm stereo connector
1 × 1k resistor
1 × 47uF capacitor elco
1 × low signal diode
1 × BC238 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × 4k7 resistor
1 × 2k3 resistor
2 × green led
1 × S1 SAM2195 breakout board