Electronic dice schematic circuit

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An electronic dice project can be build using this schematic diagram . This electronic dice project is based on some logic IC circuits and is very simple to build . The dots from the dice are made using 5 red LEDs . The PB switch is a normally closed switch , the Q1 transistor can be a BC557 type or similar .
The IC1 is a 7400 TTL which contains independent gates , which performs the logic NAND function .

The IC2 is a 7493 decade counter IC which contains four master- slave flip- lops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length this divide-by eight .
The IC2 from this dice project is a 7402 IC which contains four independent gates each of them performs the logic NOR function.

This dice project need to be powered from a 5-6 volts DC power supply .
Electronic dice schematic circuit diagram project

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Electronic dice schematic circuit

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