Electronic dice

  
Six LEDs are arranged to produce a display the same as the dots on a dice. When PBI is depressed, the display is blanked and the oscillator (ICl a, b, c) clocks IC2 at about 1MHz. IC2 counts from zero and resets on seven
Electronic dice - schematic

When PBI is released, the display is enabled and a decoding system (IC3) produces the correct output on the LEDs.




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