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    LIDAR Signal Detection to warn against Laser Speed Traps

    I know that LIDAR Speed Trap Detectors exist since it is used for signal jamming. In my country that's illegal, but we are supposedly allowed to detect if signals are present. Information on these LIDAR devices are very limited, but I have found the following: When a car enters the trapping...
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    12V DC Motor ON / OFF / Direction Control and Feedback

    Concept / Outcome: I'm planning to drive a laser pointer slowly using a simple geared down 12V DC motor through an angle of about 70 degrees using output from PC. The gearbox is designed such that the laser travels very slow (i.e. 70 degrees = 5mins). I want to place LDR sensors at the limits...
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