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  • Biofeedback Experiments and Projects (PN055E)

  • Bioprobe (PN064E)

  • Brontophonic Sound (PN046E)

  • Combined Sound and Image Paranormal Projects (PN044E)

  • Electronic Candle (PN068E)

  • ESP and PK Experiments (PN069E)

  • High-Voltage Generator (Kirlian Machine I) (PN051E)

  • High-Voltage Generator (Kirlian Machine II) (PN052E)

  • Kirlian Photography (PN050E)

  • Laser Image Generator (PN048E)

  • Light and Dark Controlled Oscillator (PN058E)

  • Magnetic Field Searcher (PN041E)

  • Noises in the sky (PN042E)

  • Other Paranormal Experiments (PN072E)

  • Paranormal Experiments with Images and the computer (PN043E)

  • Paranormal Experiments with Light (PN066E)

  • Polygraph (PN059E)

  • Sound-to-Light Converter (PN045E)

  • Stranger Things - Not that strange (PN039E)

  • Temperature-Controlled Oscillator (PN057E)

  

Latest

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

Circuit Bench

  • 13 V power supply uA723 (CB19021E)

      Although newer voltage regulator integrated circuits exist, the uA723 is still very common in...

  • Tunnel diode curve tracer (CB23704E)

      This circuit was found in a Radio Electronics from February 1966. With it it is possible to trace...

  • Pre Amplifier For Crystal Microphone With 741 (CB924E)

    The configuration of this circuit was suggested by an old English publication that comes to...

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