The Archives
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08.07.08Update on the USB charging problem of the iPhone 3GAfter I posted my last article I decided to do some experimenting based on the description of the DIY iPhone 3G charger I linked to. I checked the two travel chargers I have, and just as expected: The one that charges the iPhone 3G has a 2.4v and 2.8v reference voltage applied on the data pins in addition to the 5v charging voltage. The one that charge my iPod but not my iPhone have no voltage on the data pins. So, I guess the solution is to make a small adapter that gives the required voltage on the data pins: USB in, ...
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08.07.08Problems with USB charging of the iPhone 3GOK. So Apple ditched support for FireWire charging on the iPhone 3G. Stopping it from working properly with a lot of audio systems and car installations. FireWire support has been on its way out on the iPods for a long time and I guess Apple had to remove this feature at some point. Apple have a history of removing old technology pretty fast, but usually they have provided some kind of replacement. An external floppy drive when that was removed. An external DVD drive for the MacBook Air etc. In this case they did not provide any adapters, leaving a lot ...