timer switch

Hi
here is the simple and very useful project.

parts list
  • ATMEGA8 (you can use atmrga328p, or any other arduino) - 1
  • 22pf capacitor -2
  • 16MHz crystal - 1
  • 10K resistor - 1
  • 100E resistors -8
  • push button - 1
  • rotary encoder with push button - 1
  • 4 digit seven segment display - 1
  • relay- 1
  • bc547 transistor - 2
  • buzzer - 1
  • zero pcb - 1
  • 10uf capacitor - 1
  • 100nf capacitor - 1
  • some wires and male or female header pins
here is the schematic diagram

here is the code link

 https://github.com/vivek-chauhan7/Timer-Switch

YOUTUBE LINK
https://www.youtube.com/channel/UCY6KA8oFk1s36fyPiFEmedQ

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