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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

  • Expanded-range voltmeter with LM3914 (CB25453E)

      This circuit with different colored indicator LEDs has an expanded scale. We found it in the March...

  • Low Ripple Power Supply (CB12041E)

      The output voltage of this unit is approximately 1.4 V less than that of the chosen zener. The...

  • Light Controlled Power Switch (2) (CB12288E)

      In this circuit from a 1991 publication, we can use the 2N2646 unijunction transistor and the...

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