Binary Up Counter with 555 Timer as clock | 50% duty cycle

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Components List:

  1. 555 Timer
  2. 74LS193 Binary Counter IC
  3. Resistors
  4. Capacitors
  5. Diodes
  6. LED's

Working:

555 timer is configured in Astable mode, whose output is used as a CLK to the binary counter which refreshes almost every 2 seconds. 

T= 1/f  = 1/ 0.5 = 2 Sec

Ton = Toff = 0.6932 * 15k * 100uF = 1 Sec

The outputs from 4-bit synchronous binary up counter is connected to LED's via current limiting resistors.





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