Electrochemistry and Engineering Chemistry Electrochemistry and Engineering Chemistry

This site contains popular-science style articles describing many aspects of electrochemistry. New articles are added at irregular intervals, and all articles are periodically updated (more…)

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Non-Destructive Testing NDT Resource Non-Destructive Testing NDT Resource

Eddy Current Testing (ET) and Infrared/Thermal Testing (IRT) are Interesting Areas where experienced designers can build and manufacture Test Equipment. These pages have NDT (more…)

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Elektronika Jaroslav Belza Elektronika Jaroslav Belza

LED brightness controler, Electronic dice, USB wire switch, JDM PIC programmer, Precise Low Voltage Power Supply, Electrolytic Capacitor Tester.

Elektronika Jaroslav Belza Projects

DIY electronics projects

  • Acoustic tester
  • Electronic pot
  • Rectifier for bar display driver
  • Psofometric filter
  • 4 Channel Voltmeter Nebraska V4
  • Two-colour blinking AC indicator light
  • Electronic load

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Three Opamp Differential Instrumentation Three Opamp Differential Instrumentation

This is the best Instrumentation OpAmp, Great CMRR, ensure supply has no ripple and keep analog and digital grounds separate.

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