I have a baby monitoring system camera that isn't wireless and I want to make it wireless. It comes with a wire that plugs into an a/c adapter that goes into the wall. The a/c adapter has an input of 120ac and an output of 12dc. I also have a battery holder that holds 8 AA batteries and has two wires coming out of it. I want to cut the wire going to the a/c adapter and hook it up to the wire going to the battery holder. Will this work and how do I hook up the wires?
The easy answer would be to solder a DC connector identical to the one on the output end of the AC adapter to the two wires coming off the battery holder (red to center pin, black to ring). Here's the not so easy part: What is the current (amperage) required by the camera? The voltage of 8 AA batteries may equal 12VDC, but they probably won't be able to handle the amount of current the camera needs to work. Larger 12VDC batteries might work, but make it less portable, and the operating time might still be limited. Maybe a 12VDC battery from a power back up unit? Is the power cable the only think keeping his camera from being wireless? How does it transmit its signal?
