Automatic alcohol dispenser DIY Arduino

This arduino project will guide you how to make an Automatic alcohol dispenser. User no need touch anything to get alcohol, just come near ultrasonic sensor, alcohol will be pushed out, then an audio file will be played to inform to user should keep hand to be cleaned, meanwhile the OLED screen will display "THANK YOU!"

I hope this project will help Arduino fan can make your own an automatic alcohol dispenser to keep clean your hand in the time of fighting with COVID19

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Component for the project:
1. Arduino UNO https://amzn.to/3zKAQLV
2. SD card module https://amzn.to/34ATJUq
3. SD card 8GB https://amzn.to/2xTCz6i
4. Amplifier PAM8403 & speaker https://amzn.to/2V2uWC9
5. Ultrasonic sensor HC-SR04 https://amzn.to/2rRrRa5
6. OLED 128x64 https://amzn.to/3kSP0I7
7. Breadboard cables https://amzn.to/3p4sUAw
8. H-bridge https://amzn.to/3raOfuJ
9. Mini pump https://amzn.to/2xla6pV
10. MDF wood 3mm thickness (laser cut) https://amzn.to/33Q4LTz
11.White glue (for MDF wood) https://amzn.to/3xE17JP

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Code, circuit design, MDF case design, audio file:
https://bit.ly/2XuECIy

In case you want to make your own voice, please record by mobile phone or computer, then convert it into 8bit, 11025Hz, mono at this link https://audio.online-convert.com/convert-to-wav
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Видео Automatic alcohol dispenser DIY Arduino канала engineer2you