Dual LED Flasher Circuit Some ideas and experiment can be dangerous for and for that don't risk and damage your self and the environment , i am a professional in my buisness with a lot of experiance! every video,even that is compleated with compliance with all the safety measures. enjoy the video and eat the sweets. Warning : This video is only for demostration and educational purpose only and should be only performed by professionals . #diy #tech #arduino #electronic #electronics #electrician #

彩 “Fastest Switch I’ve Ever Done! 史上最快的转换！” #DuMagicTrick #illusionreel #magicmoment #viralclip #fblifestyle | Du magic trick | Facebook