can i make led light without soldering? and plug it into an outlet.
A battery-powered light would be much simpler.However, if you really want to work with wall power, you will need to find an AC/DC adapter or buy a current-regulated power supply (as in this project)
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it`s easy!! put two wires beside each other and twist them with a pair of pliers!!!
It's possible, but not as easy. What do you mean by "plug it into an outlet" - sounds like something you shouldn't do.