OLED Display and Accelerometer Pocket Watch (WiP)
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Author: Jon Daniels
Author: Jon Daniels
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A friend had a broken pocket watch, gutted it, gave the case to me. I measured it, and did a rough draft of a board with a densitron display, accelerometer, AVR and LED. This is just a first crack at it. I haven’t hooked up any of the power circuitry to the battery and haven’t figured a lot of other things out, but I’ll post things as they come. Display: www.newark.com Accelerometer: www.digikey.com Album: plus.google.com
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Correction: VL3032
I xposted this, but noticed you said it browned out. I was using a pretty hefty coin cell… Maybe that was what got it to work, it was a VP3032 cell.
Actually… that’s the thing… I don’t use kits. I started just doing really basic projects from the ground up… now it’s just copy-and-paste for whatever new I want to use. This board up top took me about 8 hours to lay out, and another 1 to fab, place and roast.
That sounds interesting. What kind of kit do you use? Maybe I can try it out aswell.
Until about two years ago, I used breadboards, breakout boards, etc. I was afraid that too many parts would come out that I couldn’t use. Then, I found an old (from like the 1990′s) radio shack make-your-own circuit board kit. I opened it up, held down a 20-SOIC part, drew some lines using the mysteriously still working sharpie, etched it… and voila!
Ever since I gave us kits, arduinos, breakout boards, etc I’ve been able to develop faster, smarter, and surprisingly, even cheaper!
I am working on something similar. have you run the board off the 3v coincell? I ran into problems with the oled display i was playing that needed 3.3v and the coincell couldn’t source power for more than a few seconds before browning out. You wouldn’t mind posting a schematic?
I wished I would own one of these things, to play with it and give it some kind of purpose, because the Industrial Design alone (AVR in a pocket watch case) in already a thing that opens some perspective. Even I use Arduino Mini Pro in every of my project I still feel very bloated when It comes to integrated Designs like in shoes and clothes. Short: You did a good Job and I’m jealous for what you’ve archived
Good Guy CNLohr
Check out the link in the description. I seldom order parts from Newark, but they had the right thing this time. $15 is reasonable, I thought.
Where you get this OLED? And for what price?
I have that exact same pocket watch, but mine works.
don’t know how I’d power it, either.