your question makes no sense, to USE electricity? GENERATE electricity? I think to use.
they didn't use electricity they used other things
Digital cameras are a fusion of electronic components. Electronics is an extension of one of the four fundamental forces in the universe, and that force is the electromagnetic force. Any time we talk about electricity or electronics, we are actually talking about the electromagnetic force. Do digital cameras use electromagnetism? Yes, they do.
Surveillance cameras do not necessarily require electricity. Battery operated and solar operated models are viable options. Obviously, if you want to monitor only at night, a solar option may not be a good fit, but for daytime monitoring, it may be perfect.
Eastman Kodak developed a long-running series of cameras by the name of Brownie. They became the first affordable and easy to use cameras for the everyday population.
Plymtree
generator
The first printing presses did not use electricity.
At first, Thomas Edison
Red light cameras are usually high speed video cameras that use ambient light.
Benjamin Franklin was the first person to discover electricity as he did the kite experiment, and was the first person to use the terms positive and negetive charge.
um, electricity?