3 August, 2018

RFinder En

Here you can download for free Resonance finder app!

Resonance finder

Resonance finder will help you to find the resonance frequency of the metal detector coil.sometimes we need to adjust the coil and we need to know the exact resonance frequency to make work properly the coil.So this app will do it for you , Resonance finder will scan you coil and show you the exact resonance frequency of the coil.This app can measure from 100 Hz to 20000 Hz.

Components we need:

  • A cable.
  • Capacitor of 1mF.
  • Capacitor of 100nF
  • A smartphone.
  • MiniJack 3.5 mm 4 pins.

Schematic

Video Tutorial:

How to measure resonance frequency of metal detector coil:

How to measure resonance frequency of metal detector coil Part 2:

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