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  • Dark Detector with LM555

    This is a dark detector circuit. This circuit will generate sound if no light source and silence when light falling on CdS. VN:F [1.6.9_936]please wait…Rating: 5.5/10 (121 votes cast)VN:F [1.6.9_936]Rating: -1 (from 43 votes)

  • Light Detector with NE555

    VN:F [1.6.9_936]please wait…Rating: 4.7/10 (191 votes cast)VN:F [1.6.9_936]Rating: +6 (from 78 votes)

  • Bounceless switch

    <cut> This is a simple bounceless switch which use NOR gate CMOS CD4001 </cut> VN:F [1.6.9_936]please wait…Rating: 2.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: +1 (from 1 vote)

  • Light Switch

    This is a light switch or light activated relay circuit.The relay if LDR uncoverd and relays, if LDR VR1 covered.<cut>Adjust sensitive.LED for light switches simultaneously with relay. </cut> VN:F [1.6.9_936]please wait…Rating: 6.5/10 (2 votes cast)VN:F [1.6.9_936]Rating: +1 (from 1 vote)

  • Light flashing circuit

    <cut>This circuit is the small lamp flashing signal on every 1 second flash rate control by adjusting the lamp voltage R1.The rate is to generate electricity supply. Light flashing circuit</cut> VN:F [1.6.9_936]please wait…Rating: 9.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: +1 (from 1 vote)

  • Simple and cheap blinking LED circuit

    <cut>This is a simple and inexpensive LED flashes circuit.This circuit for working with leasing 10V-13V power supply. </cut> VN:F [1.6.9_936]please wait…Rating: 6.5/10 (2 votes cast)VN:F [1.6.9_936]Rating: -1 (from 1 vote)

  • Diagram of soundlights on the light-emitting diodes

    VN:F [1.6.9_936]please wait…Rating: 7.2/10 (17 votes cast)VN:F [1.6.9_936]Rating: +8 (from 10 votes)

  • 230 Volts Flashing Lamps

    Especially designed for Christmas tree lamps. Replaces old thermally-activated switches. VN:F [1.6.9_936]please wait…Rating: 6.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: +2 (from 2 votes)

  • Dancing LEDs

    LED sequencer: follows the rhythm of music or speech. 9V Battery-operated portable unit. VN:F [1.6.9_936]please wait…Rating: 0.0/10 (0 votes cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)

  • IR illuminator for night-vision tv cameras and scopes

    This source uses LEDs and an astable oscillator to control the switch, duty-cycle, and effective IR illumination output. VN:F [1.6.9_936]please wait…Rating: 10.0/10 (1 vote cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)