Quantity   Component name
23 × 74hc595 shift register This is used to drive the displays
2 × PDA54-11SURKWA 14-segment LED display - RED
2 × PDA54-11CGKWA 14-segment LED display - GREEN
6 × PDA54-11SYKWA 14-segment LED display - YELLOW
5 × DA56-11SURKWA 7-segment LED display - RED
5 × DA56-11CGKWA 7-segment LED display - GREEN
2 × DA56-11SYKWA 7-segment LED display - YELLOW
2 × Arduino Pro Mini - compatible It must have A4, A5, A6 and A7 pins!
1 × Si740x Breakout Module from Sparkfun I2C radio module
1 × Level shifter (5V<>3.3V) from Sparkfun
32 × C557B PNP transistors
1 × BC547B NPN transistor
5 × Single row goldpin header
5 × Single row 90deg goldpin header
5 × Dual row goldpin header
2 × 14-wire ribbon cable
2 × 10-wire ribbon cable
12 × 10-wire IDC plug
10 × 14-wire IDC plug
1 × 2x3W digital amplifier
2 × 4Ohm speakers
1 × 3x4 matrix keyboard
4 × push buttons
1 × 8-pin PWL plug and socket This is used to connect keypad to the main board
10 × 4-pin PWL plug and socket Those are used for I2C connections and to power the main board
2 × 5-pin PWL plug and socket Those are used for serial cables to program Arduinos (TX, RX, RESET, VCC, GND)
2 × Switching diods
1 × CR2032 vertical battery socket
1 × CR2032 3V coin size battery Realtime Clock backup battery
1 × PCF8583 realtime clock i2c chip
23 × DIP-16 socket Optional if you want to solder shift registers directly to your PCBs
1 × DIP-8 socket Optional if you want to solder the RTC chip directly to your PCB
2 × DIP-24 wide Optional if you want to solder your arduinos directly to your PCBs
300 × 220Ohm resistors SMD 0805 I don't have the exact count on those
50 × 470Ohm resistors SMD 0805 I don't have the exact count on those
20 × 10K Ohm resistors SMD 0805 I don't have the exact count on those
10 × 1K Ohm resistor SMD 0805
1 × 33pF ceramic capacitor
1 × 32.768KHz crystal Frequency Control / Oscillators