So, what did I do with it? I could have made a gazillion interesting and useful programs, but I decided that for a proof-of-concept, something more whimsical would do just fine:

If you have a Zx3 (ith firmware version 1.12), you can try playing Tetris yourself. Just ungzip/untar this file, copy autoexec.ash and hackapp.bin to the root of an SD-card, insert card into Zx3 and do what I did in the video. The hack won't damage your camera in any way: all that's modified is the code running in RAM and when you remove both files from the SD-card and reboot, the hack will be completely gone.

As usual: the source code for the hack is downloadable here and licensed under the GPLv3. Do with it what you want: stuff like a full-on CHDK-suite for Ambarella-based devices is in theory possible. I'm probably not gonna start that, though: I have my DSLR for pictures and N900 for image hacking, so I'm happy with only recording HD-movies with my Zx3... and playing the occasional game of Tetris ofcourse.

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Last 10 comments Show all

zoomx wrote at 28 Apr 2015, 11.17:

Is there anyone that was able to reproduce this hack playing Tetris?

Vincent wrote at 15 Dec 2013, 13.42:

hi,can you add a Function For Loop recording Every 5 minutes,just like Driving record, sorry my english is poor.

Zachary wrote at 6 Dec 2013, 18.18:

Hey I have a quick question! I would really appreciate it if you could give me a quick answer. Couldn't you erase all of the stuff off of the internal flash memory and install debian Linux on it? If so how would you go about doing it? You should do it it would make a great video. You can buy them on ebay for less than $10 now and you could try it. I am aware that it would take away the video capturing funtion of the device though!

Zx3 broken. wrote at 9 Sep 2013, 2.33:

i have Kodak Zx3 Brightness Level Broken. you make collars and Brightness Level and more change mod ? :(

Edoardoo wrote at 21 Aug 2013, 14.44:

Respect! Your work is awesome!

Andy E. wrote at 20 Aug 2013, 4.33:

What an impressive hack. If anyone carries this further, I hope you will post here my plan is to buy an extra remote and add a timer for time-lapse. Would like to know if the time out will become a problem and if I can shut down the display which is the big battery drain.

bds wrote at 22 Jul 2013, 17.42:

Hi sir Which pin is rx and which pin is rx??

Kenelito wrote at 5 Feb 2013, 0.51:

Hello! Is there a factory reset stuf fon the pcb, my Zx3 is firmwarly dead and I've just disassemble it!

carsindepth.com wrote at 23 Oct 2012, 9.49:

Is it possible to adjust the white balance? I use my ZX3 cameras in a 3D rig and the two have obviously different colors.

clockdryve wrote at 19 Sep 2012, 21.39:

Need to enable adjustment to light sensitivity...so can make camera highly INFRARED sensitive. Ghost camera or what have ya......

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