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| R1 | 1 | 10K Trim Pot | |
| R2 | 1 | 1K 1/4 W Resistor | |
| R3, R4, R5, R6, R7, R8, R9, R10 | 8 | 500 Ohm Trim Pot | |
| C1, C3 | 2 | 10uF 12V Electrolytic Capacitor | |
| C2 | 1 | 1uF 12V Electrolytic Capacitor | |
| U1 | 1 | 555 Timer | |
| U2 | 1 | 7490 Binary Counter | 74LS90, 74HC90 |
| U3 | 1 | 7445 BCD To Decimal Decoder | 74LS45, 74HC45 |
| U4, U6 | 2 | 7404 Hex Inverter | 74LS04, 74HC04 |
| U5, U7 | 2 | 4016 Quad Bilateral Switch | |
| U8 | 1 | 3909 LED Flasher/Oscillator | |
| SPKR1 | 1 | 8 Ohm 500mW Speaker | |
| MISC | 1 | Board, Wire, IC Sockets |