Originally Posted by
Epicus07
It sounds like a lot of the Mass produced USB charging devices such as the BioLogic and the E-WERK aren't capable of recharging my Iphone 3GS. Has any work been done on this?
It seems that the 3gs is worse than most.
see Adafruit
Originally Posted by
lakkdainen
What exactly are iPhones and iPods so finicky about USB charging? Some manufacturers of these dynamo circuits support them, older ones don't. For something like the circuit above, would any mods be required? Maybe it's as simple as connecting D+ and D- on the USB side?
I've found shorting D+ to D- to work very well for my iPhone 4.