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Circuit Bench

  • Simple 555 Timer (CB12816E)

      With a touch of the sensor wire X1, which can also be a pressure switch, the LED lights for a time...

  • Precision Optical Level Detector (CB4955E)

           This circuit is from the 80's and can be implemented with modern equivalent components. R1 is 2M5,...

  • Triac On-Off Power Control (CB24045E)

      This conventional bistable power control circuit using triac was found in the June 1970 Radio...

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