Quantity   Component name
1 × PIC16F688 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × Crystal, 20MHz
1 × 100nF ceramic capacitor
2 × 22pf ceramic capacitor
1 × 10k Ohm, 1/8W resistor
2 × 100 Ohms, 1/8W resistor
3 × 220 Ohms, 1/8W resistor (voltage divider, upper side)
3 × 120 Ohms, 1/8W resistor ( (voltage divider, lower side)
1 × 14 pin DIL socket
1 × 6 pin, 2.54mm (0.1") spacing pin header