Instructables
Picture of The not so smart Xadow smartwatch
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This is a SO beautiful watch I ever made~ A lot of animation were used. But this is only the prototype edition, I hope you'll like it (Of course I will give a updated version!!)

I cut a lot of features, because there is no more space for me to burn the firmware into the board(32U4).

Now you can check your time and calendar there, a stopwatch is included too~

A NOT-SO-USEFUL flashlight is also there, ignoring the brightness of OLED is not so good.

The original and reference one is: http://blog.zakkemble.co.uk/diy-digital-wristwatch/, Instead of writing the codes in avr-style, I adopt his avr workbench into a arduino solution, so every one can download the codes and upload hex to his own hardware easier!
 
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Step 1: Functions

Picture of Functions
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First, The not so smart Xadow smart watch is a "Watch"~ I use a RTC module so this won't lose time if it's out of power (Forget the time on the picture, only for testing)
There is a beautiful animation when the seconds plus+ ^_^

other functions:
  1. You can set up the current time~
  2. Enter "stop watch" mode and start timer!
  3. Sleep mode help to save battery power
  4. Calendar mode
  5. Flash light

Step 2: Materials & Tools

  1. Xadow main board
  2. Xadow RTC
  3. Xadow breakout
  4. Perfboard
  5. Buttons

Notes:

There is no button module on Xadow, so you have to use Xadow breakout and Perfboard, together add three more button presenting left, confirm and right.

Step 3: Software

Picture of Software
I publlihthe code at https://github.com/xhbang/Xadow-digital-watch under GPL license, it's totally free and open!
If you are familiar with Arduino, you can make a watch now! Please mod a better looking beyond my design!

Please download and report bugs to me .THX Zak for his initial work!
haha6664132 months ago

the idea is great now let bring the real smartwatch you want to make i am curious

FoamboardRC10 months ago
Hahaha I like the 'girl sensor' idea :D. Haha you could also put a fake 'heat' meter :P