Make a dumb sanitizer smart!
Uses STM32 development board combined with a photoresistor to rotate servos to automatically dispense a hand sanitizer from a bottle.
Check it out!
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I used a Nucleo-F446RE STM32 microcontroller, but you can use any mbed compatible board.
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USB type B cable
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(3) SG90 Servo motors
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Bread board
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Jumper wires of various length
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Dental floss
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A lot of tape
I used the mbed online compiler IDE, which allowed me to get up and running with relative ease.
In the future, I would love to check out the mbed CLI, and though.