Author Topic: Automatic Hand Sanitizer Dispenser with ATTiny13 MCU and acrylic enclosure  (Read 234 times)

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Offline hesam.moshiri

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  • Country: se
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As we all know, the COVID-19 outbreak hit the world and changed our lifestyle. In this condition, alcohol and hand sanitizers are vital, expensive, and in some areas hard to find fluids, so, they must be used properly and efficiently. In the second version of the hand sanitizer dispenser device, I have addressed the previous design problems and introduces a device with no sensitivity to the ambient light and flow control capability of the alcohol/sanitizer. Therefore just enough amount of liquid will be poured on each request. The design uses a cheap ATTiny13 microcontroller.

Features
   
1) High stability and no sensitivity to the ambient light 
2) Laser-cut acrylic (plexiglass) enclosure   
3) Cost-effective
4) Flow control capability of the hand-sanitizer/alcohol (efficiency)
5) Through-hole components (easy to solder) 
6) Single-layer PCB board (easy to fabricate)   
7) Single and cheap ATTiny13 microcontroller   
8) Low standby current consumption




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