Watching Video Eyes Protecter
by nathan940404 in Circuits > Arduino
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Watching Video Eyes Protecter
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People now often hurt their eyes because their distance between their eyes and the screen is too close. So I made this device to make sure people can keep their distance while they using 3C.
Downloads
Step1: Connect the Wires As Shown in This Picture.

Step2: Add Outward to Made This Device Better.
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You need to stick to a phone case on the board. Remember to make sure the ultrasonic sensor and the LED is on the same side as the phone case.
Step3: Write a [too Close] and a [OK] to Let People Know the Distinguish Between Too Close and Appropriate.
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