Mousa Simple Projects
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Description
Laser anti theft circuit
This circuit is a simple laser anti theft alarm with SCR, laser, LDR and a few other components.
When the theft body cut the laser beam, the buzzer turns ON and latch (stay ON) until the Reset button pressed.
I designed the PCB in the shape of tiny house (my YouTube channel logo)
Parts list:
BT169
LDR (3pcs)
Laser 5V 5mW (3pcs)
Buzzer
10K Potentiometer
Push button
Youtube video: https://youtu.be/5gywcE4WEwk
May 08,2019
2,374 views
Laser anti theft circuit
2 Layers PCB 102 x 100 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
Laser anti theft circuit
2374
1
0
Published: May 08,2019
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