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this. looks. amazing.
Do you know how to use a keyboard?
it depends on the aplication and willing to build
yes, but your going to have to put in some work for it to fit into something portable
i built this and honestly mine is just a capacitor with an oscillator built into it and there aren't really any components, so almost any voltage lower than 40 (i tested it at 40 and it heats up fast) and lower than 5 amps will work nicely.
Form any computer or device that says it is a dvd drive/ CD burner (literally means burn)
DIY Heavy Class R/c vehicle- (electronics)