What You Need to Know Before Repurposing an iPad Digitizer for Experimental Use

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Repurposing an old iPad digitizer for experimental use poses challenges due to Apple's proprietary technology, making pin layouts and data sheets hard to find. While there are off-brand digitizer replacements that work with iPads, detailed resources for DIY projects are limited. Some users suggest reverse engineering as a last resort, but it's preferable to find existing documentation. The Broadcom BCM5974 chip used in iPad 1 and 2 may offer some insights, and numerous schematics for the iPad 1 are available online. Overall, while feasible, the process requires careful research and possibly some trial and error.
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I have an old iPad that I don't use anymore and I'd like to re-use the digitizer on it for a little experiment (i.e. rip it out and plug it into my own creation), but I'm having a hard time coming up with any information on the device (pin layouts, data sheets anything). If anyone has any resources on digitizers in general that could shed some light on any ipad/phone digitizer I'd greatly appreciate it.
 
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My understanding (could be wrong) is that Apple technology is highly proprietary so you're not likely to have much luck with that.
 
I figured as much but I've seen quite a few off brand digitizer replacements for these devices that you can just plug in and have work. It's certainly not impossible to figure out so some one must have some knowledge about it. If it came down to it, I guess I could try to reverse engineer it but I'd like to avoid the guessing game if at all possible.
 

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