Like right now on xda....my inductive charging question for the rezound has 114 views and 0 replies. 2nd time I've asked the question, first time was in a different section and got like 200 views and no replies.
Look into the Qi charging standard. The Rezound (and TB and IIRC all VZW Chi phones) have two V+ pins and two ground pins. I think (not sure...long time since I looked into it) that the V+ are broken into a ~5V and ~3V (~ meaning approx, not AC obviously) but the circuit limits output to 5V. I think you can ignore the 5th pin and just bridge the two V+ and two grounds and go from there. The four applicable pins (again, IIRC and I have NOT seen the rezound back specifically) are in a squre and the fifth is offset.
Hope that at least put you on the right track.
-Nkk
PS in case I did not say this enough, get a darn multimeter and check what I am saying before you go using it with your phone. There is a finite nonzero appreciable chance that I am wrong.
EDIT: Look at the pic in the OP. http://androidforums.com/htc-rezound/439938-wireless-charging-questions-here-please.html
Those five pins next the uSD slot in a square and one offset. That is what I am referring to.
EDIT2: Here is a good example of someone doing it with the TB back, which also uses Qi
http://forums.androidcentral.com/ve...chstone-without-soldering-17.html#post1591450
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