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 NXP Semiconductors


  • Night Safety Light for Autos

  • Created: Feb 20, 2014

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Description

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Summary

This circuit turns on the brake lights of a parked car when the headlights of an oncoming car are detected, warning the driver of the oncoming car about the parked vehicle. LDR2 is the sensor. LDR1 disables the circuit by causing U1 gate input to be pulled high during daylight hours, causing pin 2 of U1 to become low, disabling it and the circuit.

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