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Tag Archives: 2N2222


  1. Light Control RF(Radio Frequency) Transmitter Circuit with 2N2222 March 8, 2011

    Posted in RF-circuit.

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  2. Simple Light and Dark Activated Swicth Circuit with 2N2222 February 15, 2011

    Posted in Light Circuit, Sensor, relay circuit.

    1 comment
  3. Video Activated Relay Circuit for apply your electronic project July 4, 2009

    Posted in Switch circuit.

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  4. Power Off Relay Timer June 12, 2009

    Posted in Power supply, Timer circuit.

    No comments