electrocircuits.blogspot.com
The ocean of electronic circuits by shanif
Wednesday, 30 November 2011
Laser door alarm circuit
This laser door alarm is based on the inturreption of laser beam.a low cost laser beam is used as the
light beam
when somebody breaks the laser path the alarm will be generated for afew seconds
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment