Parts List

1. wire kit and breadboard
2. MicroStamp11, docking module, and serial cable
3. Laptop with ICC11 compiler and PMS91 loader
4. one 7-segment LED display (LSD3221-11)
5. seven 2.2 k-ohm resistors
6. two 10 k-ohm resistor
7. two buttons
8. two $R$ ohm resistors
9. five $2R$ ohm resistors
10. one LM660 quad op-amp IC two resistors ($R$) for op-amp buffer two 1n4007 diodes one 10 k-ohm trim potentiometer two additional resistors for diode clamp circuit