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votes
2answers
76 views

Charging iphone without USB [closed]

I am looking to charge my iphone using a thermoelectric power generation device. The thermoelectric generator device has positive and negative leads, and I have tried connecting the wires from the USB ...
0
votes
3answers
176 views

How to a build a payphone controlled iPhone? [closed]

I'm trying to create a project for my kitchen that involves using the shell of an old payphone and a modern cell phone ( perhaps iPhone ) to actually make calls. Basically, I would like the user to be ...
1
vote
1answer
12k views

How can I power a cellular phone for a week with a car battery or other type of battery? [closed]

I am about to start construction of a new house, and unfortunately the property is not near where I live. I wanted to keep an eye on the construction site (No electricity) to make sure workers are ...