Quantity   Component name
1 × Symmeticom X72 Rubidium Oscillator Can be found used on eBay for under $100.
1 × 7805 5v regulator
3 × Resistor 100k
7 × HLMP-6000-G0000 Light Emitting Diodes (LEDs)
2 × Standard 5mm LED One red, one orange
1 × Rotary switch (12 position)
1 × Knob for rotary switch
2 × Push button (momentary)
1 × Trim-pot 100k
1 × BNC connector
1 × 12v @ 3A power supply For X72 and circuit boards.
1 × 12v @ 1A power supply For fan.
5 × HDSP-523A LED Displays
1 × Fan, 12v, 80 x 80 x 25 mm
8 × Resistor 220R
9 × Resistor 150R
1 × Resistor 1k
1 × Resistor 10k
1 × Resistor 120R
10 × Capacitor 0.1 uF Ceramic
1 × Capacitor 0.47uF Ceramic
1 × Capacitor 47 uF Electrolytic
1 × Capacitor 100 uF Electrolytic
4 × 74HC4518 Dual BCD up-counter
2 × 74HC74 Dual D-type flip-flop with set and reset; positive edge-trigger
1 × 74HC00 Quad 2-input NAND gate
1 × PIC18F4550 Microprocessors, Microcontrollers, DSPs / Microcontrollers (MCUs)
1 × 1N4007 Discrete Semiconductors / Diodes and Rectifiers
2 × ULN2803A Darlington array
1 × PT-2040 PQ Piezo sounder