Home > Blog > Chronos Watch by TI: Overview and firmware hack quickguide / tutorial

Chronos Watch by TI: Overview and firmware hack quickguide / tutorial

Posted by admin on August 28, 2011

I received my EZ430-Chronos watch by Texas Intruments yesterday. 

This blog post contains my first impressions and an overview of the kit, but also a quick start guide / tutorial video how to start hacking the firmware with the CD-supplied Code Composer Studio, code size limited version. (see the video at the bottom of the full post)

Now for those that don't know it, it's not the prettiest or smallest watch around, but i personally don't think it's ugly (as some people on the net seem to think).

But for a Geek/Hacker like me, it's an awesome toy, expecially at the 50% off deal they offered last week. Because it is completely user programable, has an accelerometer, and best of all: wireless communication. 

First of all a short video showing the watch and the additions i made to the firmware last night. Not really impressive yet but, like i said, i only received it yesterday afternoon. And in case you are wondering: 43oh is the forum and site i visit frequently and is (among others) about the family of processors that is powering the watch. I also added the blablaa ofcourse :)

Click on "Read full post" for the rest of the info and a guide/tutorial on how i did this small hack.

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What is supplied for the 17 euro's i paid for it (35 euro regular):

* The watch itself ofcourse
* Wireless transmitter/receiver for pc communications to the watch (can also be used to program it)
* USB JTag programmer/debugger (mine seems to be broken though, or my pc has an issue, because won't be recognised or even seen in both windows and linux installs) 
* Watch Screwdriver
* Spare Screws (those things are tinyyyy) 
* CD with Sofware 

With the supplied software and RF-Receiver you can instantly use you watch as mouse pointer. I must say it's not that useful for general windows use or site browsing, but would work pretty well for pointing in a general direction at presentations for instance. Plus you can also use the watch buttons as windows keys or mouse buttons to switch slides then.
Another option of the watch buttons is i-tunes or media player control, which some might find interesting. 

But it can also transmit the Accelerometer data wirelessly to a receiver, opening up all kind of other options.
For those that viewed any of the Car Hack Video's, i' am for instance already planning to build a receiver inside there so i can control it using the accelerometer data from the watch. Rotate my arm forward, car drives forward. Tilt arm left or right, car steers. Etc.

And finally: i could not find a quick start guide or tutorial to start hacking the TI Chronos watch firmware so decided to make a video of the steps i took to make my first change to the firmware.

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