Light Sensor Switch

Posted on Aug 7, 2012

Light Sensitive Switch is a simple project which operates a relay when the light falling on the LDR goes below a set point.

Light Sensor Switch
Click here to download the full size of the above Circuit.

Input - 12 V @ 55 mA Relay output - NC-C-NO Onboard preset to set the level Power-On LED indicator Relay On LED indicator Power Battery Terminal (PBT) for easy relay output connection Four mounting holes of 3.2 mm each PCB dimensions 44 mm x 49 mm

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    Transistor Pin Identifier
    Precision current sink
    Slave Flash Trigger
    The 555 Door Alarm
    ray dialer
    rf mod
    LEDs or Lamps Sequencers
    delay circuit for photography
    Armstrong Oscillator using a crystal
    frequency counter PIC-Based Digital
    The use of monolithic power IC 6 to W audio power amplifier