Quantity   Component name
1 × Bell & Howell IMD-202-2 multi-meter Provides case, power supply, nixie tubes, and 7441 drivers for the project
1 × Microchip ATtiny88 AVR microcontroller 28 pin DIP, 8K Flash, 512 bytes of RAM
1 × 2 Pin Female Header Connector
1 × 80 pin dual row IDC header Cut to size for connectors on the controller board and the daughter board of the rotary switch
8 × 10K Ohm resistor 1/4 Watt
2 × Crimp style blade connectors
1 × Protoboard(s)
1 × 28 pin DIP Socket Don't solder your microcontroller to the protoboard ;-)
1 × Hampolt TF31 2-Digit Thumbwheel Switch (BCD encoded) Get a BCD encoded thumbwheel switch to reduce IO requirement for the controller
1 × 8 Way Rotary Switch Get a panel mount version to fit a 3/8" hole. Don't forget to get a knob if it's not included
1 × 74HC148 8 Line to 3 Line Priority Encoder 14 pin DIP, you might want to order a 14 pin DIP socket too (not required)
1 × Panel Mount Push Button Switch Momentary contact type
1 × Rocker Switch 10A 120V AC rated
1 × 10 conductor ribbon cable with IDC connectors 8" to 12" length
1 × 6 conductor ribbon cable with IDC connectors 8" to 12" length