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Category Archives: LED Circuit


  1. Infrared emitter & detector circuit with IC 74LS14 February 23, 2011

    Posted in LED Circuit, Sensor.

    No comments
  2. Easy LED Photo Sensor Circuit With LM1458 January 22, 2011

    Posted in Detector Circuit, LED Circuit, Sensor.

    No comments
  3. Network Cable RJ45 Tester Circuit August 29, 2010

    Posted in IC555 circuit, LED Circuit.

    No comments
  4. 12v Battery Voltage Monitor circuit with LM339 comparator March 17, 2010

    Posted in Battery Charger, LED Circuit, Power supply, Switch circuit.

    2 comments
  5. Photodetector circuit with BP103 Phototransistor Siemens January 12, 2010

    Posted in LED Circuit, Light Circuit.

    1 comment
  6. 230 VAC LED lighting solution Circuit June 21, 2009

    Posted in LED Circuit.

    3 comments
  7. 12 Segment LED Display Counter with IC 4040B June 17, 2009

    Posted in LED Circuit.

    No comments
  8. 7 Segment LED Display Counter June 17, 2009

    Posted in LED Circuit.

    1 comment
  9. 40 LED bicycle Tail Light Project June 14, 2009

    Posted in IC555 circuit, LED Circuit.

    3 comments