Introduction: Watching Video Eyes Protecter
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.
Attachments
Step 1: Step1: Connect the Wires As Shown in This Picture.
Step 2: Step2: Add Outward to Made This Device Better.
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.
Step 3: Step3: Write a [too Close] and a [OK] to Let People Know the Distinguish Between Too Close and Appropriate.
![Step3: Write a [too Close] and a [OK] to Let People Know the Distinguish Between Too Close and Appropriate.](https://content.instructables.com/FR3/FNED/KJK055PY/FR3FNEDKJK055PY.jpg?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=300)