Friday, January 14, 2011

Battery Backpack

A few months ago I built a small "backpack" for my rechargable battery pack in order to bring the 9.6v battery to a more microcontroller friendly 5v. Well, it lasted for a good while but then I ended up snapping the LM7805 regulator off the board. Instead of repairing it, I decided to make a new one. The new version uses binding posts instead of female headers, and also breaks out the source voltage. It's a bit larger then the last one, but still fits on the battery pack.

 As you can see, I had a cheap bent piece of aluminum for a heatsink before, and things were a bit crowded. I'm going to miss the female headers, but if it becomes a problem there is still room to add them on the new board.

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