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Make an Electronic dice using 4017 IC - KT966

Make an Electronic dice using 4017 IC - KT966


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Power Supply – 9v (from battery for whole project)



IC 4017

The importance Pins look at table below.

1.) Pin 16 is positive power supply and pin 8 is a ground.

The power supply range of 3 volts to 16 volts and Maximum power supply voltage at pin 1 must not much than 18 volts.

2.) When “1” logic, the clock input is stop, and the counter does nothing even when clock pulse arrive.2.)Pin 13 is Clock enabled pins to controls the clock.

When it is “0” logic, the clock is enabled and the counter advances one count for each clock pulse.

3.) Pin 14 is the clock triggers one count.

The clock pulse must be “clean”.

If they are “noisy” the counter may advance two or more times during each clock pulse.

4.) Pin 15 is the reset pin. Normally, it is “0”.

When made “1”, the counter is reset to “0”.

5.) Pins 1-7 and 9-11 are the decoded output pins.

The active count pin goes high and all others remain low.

6.) Pin 12 is Carry output, for the clock input of an additional counter or an external circuit that the count is complete.



  1. pin 16 to positive rail of breadboard
  2. pin 15 of IC4017 to pin 5 of IC4017
  3. pin 13 of IC4017 to pin 8 of IC4017 then it goes to negative rail
  4. connect 5 led with their cathode to negative rail and anode to 1,2,3,4, & 7 pins of IC 4017
  5. connect 6th led’s anode to pin 10 of IC4017 and cathode to negative rail
  6. connect a wire to pin 14 of ic 4017 and leave it unplugged
  7. now connect 9v battery to the breadboard to power up the connections.


  • Whenever you touch the wire which is showing unplugged Process of glowing change by led to led .