Small Cube Clock
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This is a tiny clock built around a small OLED display. Easy build in just an hour or so! Things you need to buy:…
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This is a tiny clock built around a small OLED display.
Easy build in just an hour or so!
Things you need to buy:
0.96" Inch I2c IIC Serial 128x64 Oled LCD: http://a.co/1urMxg3
Things from Adafruit:
Breadboard-friendly SPDT Slide Switch - 805
Adafruit Pro Trinket LiIon/LiPoly Backpack Add-On - 2124
Adafruit Pro Trinket - 3V 12MHz - 2010
CR1220 12mm Diameter - 3V Lithium Coin Cell Battery - 380
Adafruit PCF8523 Real Time Clock Assembled Breakout Board - 3295
Lithium Ion Polymer Battery - 3.7v 150mAh - 1317
Total cost like $50
You'll need to mill a small PCB - but wires could work too. It's pretty minimal.
You'll also need to print the enclosure if you want. I chose not to do a face plate but it might look good with one, depends what you like.
I would have gotten the Adafruit OLED but they didn't have them for sale at the time so I went with Amazon. As far as I know the Adafruit one is not going to be compatible with this but I haven't checked.
The code is pretty basic.
The battery lasts 7+ hours and probably could be increased a lot with some tricks to save power.
Category: Electronics