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1 Post authored by: mahmood.hassan
Electromagnetism Enter Your Electronics & Design Project for a chance to win a $100 Shopping Cart! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll   Before building this device I have tried lots of different design but in every circuit there were some issues, either it was also a metal detector or detect human as AC voltage source. I even built a device using instrumentation amplifier, 2nd order band pass filter and ARM mcu to do all the math (FFT) S ...