Arduino Newbie - Tripwire

hi everyone, same guy, except kid, , have no experience (unlike other noob) have kit makes laser drive small output pulse when broken.... there anyway can connect arduino, have turn signal piezo on or led or lcd.... kit powers on 9v. sorry intruding on don't know how make new topic. thanks...

hi, going use tripwire for? or detected , happen after piezo/led/lcd activated?

paul

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