Hand Washing Timer With Power Light

by JasperHuang2005 in Circuits > Arduino

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Hand Washing Timer With Power Light

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This is a handwashing timer which can remind you of how long you should wash your hand.

Credit:
https://www.instructables.com/Timer-CDC-Guidelines-Hand-Washing/

Gather Materials

- An Arduino UNO

- A small breadboard

- An IR Obstacle Avoidance Module

- Four (4) LEDs

- Four resistors (two 220ohm and two 330ohm)

- One extra LED and resistor

- Jumper wires

- Breadboard

Place the Things in Place

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You can use a Male to Female Jumper wire to make the power signal light away from the board, and indicate the power on better.

Put Box on It

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You can use any kind of box to make it look better.

Code!

here is the code! (led power light won't need a line because it will light on when there is power)

https://create.arduino.cc/editor/jasper1006/2eb7d1...

Testing

Testing Video below.

Finish!!!

Enjoy your new machine, and use it to keep your hands clean and away from viruses!

https://www.instructables.com/Light-sensed-Arduino...