darklight sensor using transistor


Posted on Feb 5, 2014

Automatic dark detector senses darkness. As the light level decreases and LDR meets the maximum threshold resistance, the circuit automatically switches on the LED D1. A light detector senses light. As the light level increases and LDR meets the lowest threshold resistance, the circuit automatically turns on the LED D1. We can adjust the sensitivi


darklight sensor using transistor
Click here to download the full size of the above Circuit.

ty using the preset VR1-10K.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    8 Led Audio VU Meter
    Telephone Visual Ring Indicator
    Soft Musical Telephone Ringer by UM66T
    simple automatic street light system
    Brightness controller for low power lamps
    Gas Generator Voltage Control Circuit
    Capacitive SensorCircuit
    Fading LedsCircuit
    Remote Controlled Alarm circuit
    Open Decoder Schematics
    Valve phono preamp build
    HIGH VOLTAGE PULSE SUPPLY
    A voice-activated lights control circuit



    Top