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  • Stepped Timer (ART726E)
  • Electronic Circuit Breaker (ART727E)
  • Electronic Cockroach Killer (ART649E)
  • Two Projects with Ceramic Transducers (ART647E)

Circuit Bench

  • LM3914 expanded scale (CB25110E)

      The figure shows how to use the LM3914 bargraph with expanded scale. The circuit has two...

  • Load sensor (CB7900E)

          Found in Popular Electronics from the 90s, this circuit powers a warning lamp when the load is...

  • Receiver for home FM transmitter (T1786E)

      This is the circuit for the transmitter described in the previous project. T-he 4tube circuit has...

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