How do I use an external GPS receiver with my phone?
Contributed by John J. Herzog One of the Android apps that blind and visually impaired users especially enjoy is WalkyTalky by the Eyes-Free Project. When the app is on, users hear street addresses as they walk past buildings and houses. If the phone has a good internal GPS receiver, this app makes independent travel much easier, but if the device has a buggy internal receiver, as is the case with the Samsung Epic, feedback is nonexistent or obviously inaccurate. For users who are not hearing spoken feedback or reliable information from WalkyTalky and other navigation apps, I highly recommend the use of an external Bluetooth receiver with an app called Bluetooth GPS Provider by mobile-j.de. This combination of hardware and software greatly increases the accuracy of the GPS and even, as in my case, the amount of auditory feedback delivered. Bluetooth GPS receivers are available through eBay and electronics stores like Radio Shack and Best Buy. I have the Holux m 1000. Other members of t...