Public Lab Research note


Powering a synchronized USB trigger for dual camera rigs

by warren | March 16, 2012 17:22 16 Mar 17:22 | #1483 | #1483

Just a quick update on the progress of the dual-camera IR/VIS system for balloon-mapping kit Kickstarter rewards -- I figured out how to fit some coin cell batteries into the N-type battery holder, which is the same type as the other 12v battery we're using. I used a steel screw to make the battery holder smaller, and it's quite stable.

This hopefully reduces the # of parts you (or we) have to order, and is also helpful because I was having trouble finding battery holders for 3 coin cells.

The other nice thing is that if you buy a pack of 2 12v "A23" batteries, you can peel one open to get 8 1.5v coin cells out. Mathew pointed out that this is kind of a lot to ask people to do, but you can definitely just buy the coin cell batteries on their own, so we can just say it's a nice alternative for those looking to spend less.

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