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Latest

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Circuit Bench

  • Adapter for power grid voltage reading (CB7943E)

           This circuit is from a Popular Electronics from the 90s. The circuit requires extreme care in use, as...

  • Digital Moisture Meter (CB25144E)

      This digital indicator circuit was found in the June 1988 issue of Radio Electronics magazine. The circuit...

  • Impedance Matcher (CB17194E)

      This circuit, already explored in other applications on this site, allows using a high impedance...

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