A couple of years ago I responded to a Craigslist ad offering “lots of cr123 batteries for free”. Turns out it was a research team at MIT that used them in a submersible research vehicle (a submarine). The batteries powered a low-draw component of the communication system, but for safety...
Thanks so much for the response. That site had everything I need and I've ordered it all up with expected delivery on Friday. Now I'm also going to build a Nichia triple in a Jaxman housing as a Christmas gift for another family member. Thanks again!
Scott
Hi All,
I'm a long time reader of the foums, but this is my first post. I'm trying to pull together a last-minute project as a Christmas gift, and am having trouble figuring out where to get the parts I need in time.
The project is an LED upgrade for a home planetarium/star projector.
This...