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Decade Counter Using CD4017IC Full Making IC PROJECT

500.00

Availability: In Stock

Circuit Design:

  1. CD4017 Connections:
    • Connect the VDD pin (pin 16) of the CD4017 IC to the positive supply voltage (e.g., 5V).
    • Connect the VSS pin (pin 8) of the CD4017 IC to the ground (0V).
    • Connect the Clock Enable (CE) pin (pin 13) to the positive supply voltage (e.g., 5V).
    • Connect the Reset (RST) pin (pin 15) to the ground (0V).
    • Connect the Clock (CLK) pin (pin 14) to the output of a 555 timer or another clock source.
  2. Decoding and LED Connections:
    • Connect the Q0 to Q9 outputs (pins 3 to 11) of the CD4017 to the anodes of LEDs.
    • Connect the cathodes of the LEDs to ground through current-limiting resistors (e.g., 330Ω).
  3. Clock Source (e.g., 555 Timer):
    • Connect the output of a clock source, such as a 555 timer IC, to the Clock (CLK) input (pin 14) of the CD4017.
  4. Capacitor for Debouncing:
    • Connect a capacitor (e.g., 100nF) between the Clock (CLK) input (pin 14) and the ground to debounce the clock signal.

Working Principle:

  • The CD4017 is a decade counter with 10 decoded outputs.
  • The counter advances its output one step at a time with each clock pulse.
  • Each output corresponds to a binary count from 0 to 9.
  • The clock source generates pulses to the Clock (CLK) input, causing the counter to advance.
  • The decoded outputs can be used to drive LEDs or other components to indicate the current count.

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