The camera setup: Part 3

Solar Power:
I happen to own a messenger bag that has a solar power setup built in. This setup consisting of three solar panels, a power routing element, a lithium ion battery pack, selectable dc-dc convertor, and mega-assortment of possible output jack options, was reversibly harvested to power the camera and triggering circuit.

Harvested solar panels charging the battery pack

Harvested solar panels charging the battery pack

The camera usually accepts two AA cells, which of course imply a 3V operating voltage. The dc-dc convertor can only go as low as 3.5V, though this is perfectly okay for powering the camera. ‘Perfection’ does have a price though, and the camera does get pretty hot when powered on. Combined with the 100 degree heat, and the back-of-the-car greenhouse, it’s probably not good for the camera in the long run. But hey, I’m probably only doing this once.

Lithium ion battery pack with DC-DC convertor

Lithium ion battery pack with DC-DC convertor

If the lithium battery ever runs low, I can also recharge it using a wall outlet, or the cigarette lighter plug in the car.

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About kiloradians

science, cooking, engineering
This entry was posted in Projects. Bookmark the permalink.

One Response to The camera setup: Part 3

  1. Ronny Denice says:

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