LED Pocket Watch
posted Oct 14th 2009 7:00am by James Munnsfiled under: wearable hacks

Today, it is not difficult to find all kinds of watches with LED displays. After [Paul]’s grandfather, a master horologist and pocket watch collector, passed away, he decided to retrofit a broken watch left to him with a custom LED face. Starting from scratch, he designed a PCB complete with 133 (hand soldered) LEDs, room for a temperature controlled oscillator for real time clock capabilites, a LiPo battery, and a cell phone vibrator to provide a simulated “second hand tick” feeling. The whole watch is powered by a PIC 16F946.
This is currently version 1, and he has already begun work on version 2. He plans on adding a more compact, lower power TCXO, automatic NTP syncing, and a USB port for charging and reprogramming. He has a number of detailed videos, and we have a demo video after the break.





Sweet! It’d be great for a steam punk Halloween costume, hell it’d be great for everyday use. I’d like to see one with color LCD. Maybe yank the screen from an old cell phone or one of those “wrist TVs”.
Posted at 7:13 am on Oct 14th, 2009 by polymath