9999second timer using Rotary encoder

In this tutorial we will see how to create a adjustable timer using rotary encoder and buzzer for Timer end with the Arduino board and the TM1637 display.

Components required

Arduino Nano - 1 no

TM1637 module - 1 no

Toggle switch - 1 no

5V/3.3V Power module - 1 no

Buzzer - 1 no

Circuit diagram