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How to make Laser Security Alarm using LDR - 1 KM Range
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YouTubeeasy project4U
How to make Laser Security Alarm using LDR - 1 KM Range
🔰Hello everyone, welcome back to our channel. In this video, We're going to show you how to make laser security alarm circuit at home JLCPCB 1-8 Layer PCB at $2. PCBA from $0 (Free Setup, Free Stencil) Sign Up Here to Get $54 New User Coupons at - https://jlcpcb.com/?from=SKY1 How to make Laser Security Alarm using LDR - 1 KM Range | How to ...
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6/4Pcs Solar Security Alarm Motion Detector With Sound Outdoor Motion Sensor, 129Db Barking Dog, Solar Outdoor Motion Sensor Alarm,Trip Wire Alarm
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