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Circuit Bench

  • Flip-Flop Using NOR Gates (CB142)

    The R-S flip-flop shown here uses two NOR gates and is set and reset by positive pulses applied to...

  • Photoelectric Relay (CB4387E)

      This circuit was obtained from a 1962 magazine. It can still be mounted to be powered from 6 V...

  • Wireless AM Microphone (CB16392E)

      This is the project found in a 1981 publication, but it is still viable. It is a simple AM...

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