Quantity   Component name
1 × Raspberry Pi
1 × MicroSD card 1GB is more than enough
1 × Laptop charger At least 60W
2 × ATmega328P-PU Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × ATtiny84A-PU Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
4 × MC34063 Power Management ICs / Switching Regulators and Controllers
1 × CD4050 Electronic Components / Misc. Electronic Components
1 × NDP6020P TO-220 mosfet
2 × 4N60P TO-220 mosfet
4 × NX2301P SOT-23 mosfet
4 × PMV185XN SOT-23 mosfet
1 × 2N3904 TO-92 bjt
4 × 220uH SMD inductor
4 × 16Mhz SMD crystal
8 × 33p SMD capacitor
4 × 1n SMD capacitor
8 × 100n SMD capacitor
2 × 1u 25V SMD capacitor
6 × 470u 25V leaded capacitor
2 × 3300u leaded capacitor (found in old pc motherboards)
10 × 100R SMD resistor
16 × 1K SMD resistor
4 × 3K3 SMD resistor
12 × 4K7 SMD resistor
8 × 10K SMD resistor
2 × 10M SMD resistor
6 × 4.7V zener diode SMD zener diode
14 × SS14L SMD rectifier diode
4 × Yellow LED, 5mm
2 × Bright LED, 5mm white
2 × 14pin IC socket DIP
1 × 16pin IC socket DIP
2 × 28pin IC socket DIP
1 × 26pin Raspberry connector
2 × DC motor Type 130
2 × Chipboard screw
2 × M7 boltnut
1 × Copper foil tape 5mm wide
5 × PCB Homemade/OSH park order
1 × Shrink tubes 2mm, 3mm, 14mm
1 × Steel rod 2.5mm (for train axle)
1 × M4 threaded rod For switch solenoid core
1 × Alarm cable Shielded 6-wire, for wiring and securing things
58 × ECW0.25 Copper wire 0.25mm diameter enamelled copper wire (58 metres)
1 × Application specific soldering iron http://hackaday.io/project/6860
2 × train.stl 3D printed
8 × curved_rail.stl 3D printed
5 × rail.stl 3D printed
1 × switch_right1.stl 3D printed
1 × switch_right2.stl 3D printed
2 × gear.stl 3D printed, with 0.2mm nozzle
1 × rail_end.stl 3D printed
2 × solenoid_coil.stl 3D printed
2 × solenoid_end.stl 3D printed
1 × switch_lamp.stl 3D printed
1 × switch_part_right.stl 3D printed
4 × washer.stl 3D printed, with 0.2mm nozzle
8 × wheel.stl 3D printed
9001 × Patience