laser base security system

Thread Starter

sabkavinda

Joined Jan 15, 2010
1
hi,
i want build a security system using laser beam. circuit design is very easy, but i block in sensor part and laser torch part. any one please help me to find proper sensor and laser torch. this system should work all 24 hours and 365 days. so it's durability is very important.please help me.
 
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