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:

3. 4 Digital Display TM1637:

4. Passive Buzzer:

5. Box

6. Breadboard

Step 2: Circuit Diagram

Step 3: Install Library File: Open "Tools"-"Library Manager" in the Arduino Development Software, Then Search for TM1637, and Then Install TM1637.

Step 4:

Step 5: Select the Development Board As Arduino Nano, This Is to Choose the Right.

Step 6: Then Select the Port, You Can Upload the Code Into the Development Board.

Step 7: Select the Processor As ATmega328P(Old Bootloader), This Is to Choose the Right.​

Step 8: Watch Youtube Video and Follow Steps.