Prepare the memory wire. Cut a short 4” piece of memory wire, crimp a wire crimp to each end of the memory wire and bend the wire back and forth to make it shorter. Set aside. Sketch the circuit. Cut ...

Little Laser Trip Wire circuit presented here can detect movement of people or objects while passing through the laser beam and trigger security alarms as alert signals to those concerned. What is ...

”Short Circuit” is an obvious ”WarGames” ripoff in which a robot steals every scene from wooden performances by the always-too-eager-to-p lease Steve Guttenberg and the usua… ...