1 x 6502 (tested) - Build requires 1 - $2.50/ea
9 x LM556 - Build requires 1 - $1.20/ea
9 x LM311 - Build requires 1 - $1.10/ea
3 x Switches for keypad - Build requires 1 - $2.00/ea
16 x 1N916 diodes - Build requires 4 - $0.25/ea
1 x 220nF Axial capacitor - Build requires 3 - $11.00/ea
1 x 100nF Axial capacitor - Build requires 5 - $6.50/ea
8 x 22nF Axial capacitor - Build requires 1 - $0.75/ea
77 x 6x6x4.3mm SMD buttons for keypad - Build requires 23 - $1.30 for 23
4 x 5K Piher PT-15 resistor - Build requires 1 - $2.00/ea