Quantity   Component name
1 × HBS 880 BB MG Hobby Servo
1 × Thin enamelled wire Amont depends on skill
1 × ET/D 2716 Old EPROM
1 × DM 7407 Hex buffer with open collector outputs
1 × Red LED Error indicator
9 × R 330 Resistor
2 × R 1k Resistor
2 × R 10k Resistor
1 × C 47uF 16V Electrolytic capacitor
1 × Wattuino pro mini Arduino pro mini clone
2 × 817D Optocoupler
1 × Spring L=6mm o.d.=6.2mm i.d.=4.5mm pitch=2.8mm
2 × Flat head screw L=9.6mm thread-o.d.=2.8mm head-o.d.=5.4mm
1 × Bearing 623-ZZ