[Jowan] sent in this excellent gameboy cartridge hack. The cartridge contains 1MB of flash and an 8 bit serial I/O interface. He’s using it to play percussion with some solenoids and a custom rom. If you guys like it, he might be convinced to put together a how-to on hacking the cartridge.
a how-to would be GREAT, i’ve been looking for something like this
Posted at 2:53 am on Jul 22nd, 2007 by matt thomson
A super easy way to do this using a Nintendo DS (66MHz ARM9 + 4MB RAM, much nicer than a GB/GBC) is by using the DSerial. It gives 18 GPIO lines, has PWM, ADC, UART with RS232 level compatibility, as well as a 2D tilt sensor for the heck of it. You can basically use it to interface to anything. Check it out here:
http://www.electrobee.com/product_info.php?ref=4&products_id=20
I’m trying to build a NDS-based heart monitor with mine, check my blog to see my progress on it: http://blog.davr.org/
That’s great! A how-to would be awesome please! :D
Posted at 7:13 am on Jul 22nd, 2007 by wardy
HELL YEA!! add the rom hak.
Posted at 2:47 pm on Jul 22nd, 2007 by Digital Master Tako
very innovative!
the link port on the GBA SP can also be used as an RS232 serial port, but a level shifter is required to get the voltages correct.
Posted at 5:11 pm on Jul 22nd, 2007 by silic0re
That is officially the coolest thing I have seen today.
I would love to have a how-to on er… how to do this.
I have a gameboy color that is just gathering dust right now. This could be a fun way to get some more life out of it.
Posted at 12:40 am on Jul 23rd, 2007 by Paul
i started off with this version – GameBrain Ver 1
http://file-error.net/gamebrain/index.html
which is taken from the ‘gameboy project’ http://marc.rawer.de/Gameboy/index.html . Much respect to the man, all his work.
There is an amazing PDF on his site that does explain everything but it involves making your own, so, i will do a ‘how-to follow the pdf’ page asap. This will involve home etching and a parts list, and a few thing i felt the pdf left out, all pretty easy stuff, no smd, and cost about 5 quid per cart.
You can do anything with these cart including sensors, actuators and communication such as serial and midi – woohoo
Also the rom is on the page, it uses a basic shell then a really simple program written in GBBasic so lots of loops and bleeps, kiddy programming really but then i am an not techno wizard, i just love the creative use of technology. – jo
Very nice work!
_always_ great to see the Game Boy and DS hacks!!
Posted at 6:40 pm on Jul 23rd, 2007 by strider_mt2k
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now run the mario theme through it =)
Posted at 12:49 am on Jul 22nd, 2007 by steve diraddo