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

Circuit Bench

  • Digital Tachometer (CB25051E)

      The assembly of this circuit was described in an article in the magazine Radio Electronics of June...

  • 1-transistor radio (CB22162E)

      This old radio with a germanium transistor was obtained from an English documentation from the...

  • Crowbar (CB8420E)

           This circuit fires by burning the fuse when the input voltage exceeds the value referenced by the zener....

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