Introduction: How to Make DIY Arduino 30 Seconds Washing Timer, STOP COVID SPREADING
Step 1: Componts List:
Today In this video, I am going to show you
how to make a hand washing timer by using Arduino.
According to the buzzer and LED display help remind ourselves to wash our hands for at least 30 seconds.
Here's the Parts List:
1. Arduino Uno
2. HC-SR04 Ultrasonic Module: https://amzn.to/2zLomJU
3. 4 Digital Display TM1637: https://amzn.to/30Qg2DK
4. Passive Buzzer: https://amzn.to/2BeYzu3