Connect the LDR to A0
And the laser to D9
Have the laser point at the LDR
Also put the led short leg into the ground pin and the other into the D12 pin
If its not working comment and I will respond within a day or two
A Dynamic Tripwire/Alarm System
Connect the LDR to A0
And the laser to D9
Have the laser point at the LDR
Also put the led short leg into the ground pin and the other into the D12 pin
If its not working comment and I will respond within a day or two
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