Tell us about yourself!
The reed switch would definitely make it completely water tight but I didn't have one at hand
Yes, I've tried leaving it on for a couple hours and temperatures never climbed above 40C (indoors, room temperature ~25C.Also thought about using a glass jar, but glass has two strong disadvantages: weight and fragility. But maybe it would be better at dissipating heat.
DIY splash-proof LED campin...View Instructable »