8
Resistors
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R1
470 ohm 1/4 watt resistor
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R7
6.8K ohm 1/4 watt resistor
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R2
470 ohm 1/4 watt resistor
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R8
6.8K ohm 1/4 watt resistor
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R3
470 ohm 1/4 watt resistor
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R9
1K ohm 1/4 watt resistor
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R4
470 ohm 1/4 watt resistor
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R10
470 ohm 1/4 watt resistor
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R5
470 ohm 1/4 watt resistor
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R11
1K ohm 1/4 watt resistor
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R6
470 ohm 1/4 watt resistor
Capacitors
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C4
0.1 mfd disk capacitor
Integrated Circuits
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IC1
DM8097 / 74367 / 74LS367
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IC5
7402 Quad NOR Gate
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IC2
7805 +5VDC Voltage Regulator
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IC6
74S138 1 of 8 decoder
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IC3
74S138 1 of 8 decoder
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IC7
DM8835 / DS8835
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IC4
7400 Quad NAND Gate
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IC8
DM8835 / DS8835