This looks like worth trying out. It's sub-titled.
https://dailynewz365.com/how-t....o-make-a-self-feedin You could probably make a smaller fold-up portable version for camping
I've bought a fresnel lens about the size of a laptop screen from aliexpress.com (China) for under $5. I figure it doesn't have to be so big as the one in the video. It works good but I have to make or buy a stand for it instead of leaning it against things.
Homemade aircon I made for small areas using 12V
I was floating around on youtube the other day randomly clicking on things. I came across this. I failed chemistry in school. I don't know how safe it would be but it seems to work according to the video. Might not be a good idea to transport it while camping maybe. It could be ok for an off-grid home.
Share your camping and off-grid hints, ideas and hacks.
