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Circuit Bench

  • Sensitive relay (CB22289E)

      In this circuit from the 60s, the power supply is made with 22.5 V, which is the voltage of the...

  • Metronome (CB10653E)

      This circuit was obtained in an English magazine from 1978. We can easily assemble it because all...

  • Single power source with 1 diode (CB22339E)

      This simple unregulated half-wave font was found in old American documentation. The diode is...

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