Sridhar Rajagopal
Published © GPL3+

Touchless Musical Hand Wash Timer

Touchless hand wash timer that shows a countdown clock & also plays a rotating selection of 20-second jingles. Add your own jingle easily!

BeginnerFull instructions provided1 hour6,752

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
ProtoStax Enclosure for Arduino
ProtoStax Enclosure for Arduino
×1
ProtoStax Enclosure for Breadboards/Custom Boards
ProtoStax Enclosure for Breadboards/Custom Boards
×1
ProtoStax Horizontal Stacking Kit
ProtoStax Horizontal Stacking Kit
×1
Ultrasonic Sensor - HC-SR04 (Generic)
Ultrasonic Sensor - HC-SR04 (Generic)
×1
ProtoStax Kit for Ultrasonic Sensor HC-SR04
ProtoStax Kit for Ultrasonic Sensor HC-SR04
×1
Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Blue
×1
Adafruit Piezo Buzzer - PS1240
×1
Solderless Breadboard Half Size
Solderless Breadboard Half Size
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

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Schematics

ProtoStax Touchless Musical Hand Wash Timer schematic

This shows the schematic for the circuit used in the Touchless Musical Hand Wash countdown timer

Code

ProtoStax Touchless Musical Handwash Timer Demo

ProtoStax Touchless Musical Handwash Timer Demo

Credits

Sridhar Rajagopal

Sridhar Rajagopal

14 projects β€’ 36 followers
Entrepreneur. Software Engineer. Maker. Tinkerer. Internet-of-things addict.

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