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Construct a laser detector to be used as perimeter alarm or as laser target device! IIn the perimeter mode, any moving object cutting the laser beam will set off the alarm (LED & buzzer). In the laser target mode, any laser beam hitting the target will set off the alarm - fun for real Cowboys & Crooks!! Included: All electronic components, project box, pc board, solder and full instructions. Soldering and 9V battery or mains 9V adaptor required. Age: 12+ 3217 Currently out of stock |
Construct a laser detector to be used as perimeter alarm or as laser target device!
Construct a laser detector to be used as perimeter alarm or as laser target device! |