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  • Calculating An Ohmmeter (ART575E)

  • Degrees Celsius, Degrees Fahrenheit, Degrees Kelvin and Degrees Reamur (MA197E)

  • How to Calculate, Modify or Adjust Resonant Circuits (ART563E)

  • Inches to Millimeters (MA195E)

  • Instantaneous Values of Sine Waves (MA194E)

  • Mechanics of liquids (MEC215)

  • Millimeters to Inches (MA196E)

  • Sound Pressure (MA200E)

  • Sound Wavelength (MA198E)

  • Using the Hydraulic Pressure (MEC216E)

  

Latest

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

Circuit Bench

  • Current to frequency converter (CB9604E)

      Found in a manufacturer documentation from the 90s, this circuit makes use of period components. The...

  • Crystal Test (CB12277E)

      We found this circuit in a 1976 publication. The transistors can be BC547 or 2N2222. Crystals up...

  • VLF Converter (CB9183E)

           This frequency band below 15 kHz converter was found in a Popular Electronics from the 90's. The...

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