nikon d40 camera external power supply hack

d40powercord crop

I have been looking for a way to add external power to my camera for a while. I have had some good ideas and even hacked together a workable prototype a while back. The problem was it wasn’t very ‘tight’ and I was always afraid I was going to reverse polarity, or short it out, and it took a lot of time to set it up every time I wanted to use it.

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