How to determine negative and positive power source on phone charger by color code between red or white ?
I started to experience problems with my iPhone that seem to be related to the dock connector. Upon plugging my iPhone into my (officially supported) car stereo, I started to get the message "This ...
I need a credit card reader for an app I'm developing. Since this site is more about the hardware than the developer side, I'm looking for a hardware piece that I can buy that reads credit cards. Most ...