Quantity   Component name
1 × Duplo Train Passenger Locomotive
1 × attiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × S8550 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
2 × S8050 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
4 × 220ohm resistor
1 × 100nF ceramic cap.