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  • znash1 followed Lasers channel 9 months ago
  • znash1 commented on DIY Hacks and How Tos's instructable Laser Tripwire Alarm9 months ago
    Laser Tripwire Alarm

    I have completed the circuit and it works my question is, where can i wire an LED to alert me that the alarm is set? i have tried a few things such as from pin 2 to pin 3 but that produces the opposite result. when armed the light is off but when unarmed the light is on.

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