In this worldwide crisis of Covid-19, there is an urgent to stop the spread of this deadly virus. There are many daily-life things which people took their hands-on, like a normal example of liquid dispenser installed in public toilets.
So I thought, using a ultrasonic sensor & arduino can solve this problem at a mass level, since the costing is less comparitively.
This works as in you put your hand within 5 cm of dispenser, the sensor detect your hands & through programmed arduino, the servo motor get instruction to rotate one clockwise & other in anticlockwise direction, hence the liquid gets dispensed!
Helpful in Covid-19 situations.
To know more about it + get the direct code : https://youtu.be/58pv1Sw96Lc
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