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DIY LED Pocket Watch

Check out this fantastic LED pocket watch by Frank Zhao

This is a LED pocket watch. It has 12 LEDs to show the hour, 60 LEDs to show the minute, and 60 LEDs to show the second. The LEDs are arranged in three rings. There is a button on the top to activate the pocket watch, and a button on the back to change modes and settings.

The battery is a rechargable lithium ion coin cell battery and it is charged from a micro USB connector. The battery life depends on how heavily the pocket watch is used, but if you leave it alone, it is estimated to last several months. There is a low battery indication feature. This pocket watch also feature a buzzer and a vibration motor, which are used for the alarm feature, and the motor causes a short “tick” as each second passes by. The pocket watch is constructed of a PCB, two pieces of laser cut clear acrylic plastic, and a 3D printed casing.

Head on over to Instructables to check out Frank’s build log, and get the files to make your own.  Also, don’t forget to vote for Frank’s LED pocket watch by clicking the Vote ribbon in the upper right hand corner of the Instructables page.


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