ESR meter with Arduino

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CAPESRFREQ.ino (19.1 KB)

I improved the ESR measurement, added Capacitance measurement to the ESR measurement, and combined the code with an L-C-R meter. The meter was described in our radio club magazine: https://www.pi4raz.nl/razzies/razzies201904.pfd (Meter description is also in English).

PA3CNO: I improved the ESR measurement, added Capacitance measurement to the ESR measurement, and combined the code with an L-C-R meter. The meter was described in our radio club magazine: https://www.pi4raz.nl/razzies/razzies201904.pfd (Meter description is also in English).

Where I can find code and schematic for that? Tnx

@PA3CNO
I looked at your design, after i changed your url to end in PDF…and not pfd

I was looking for a design where the voltage was max 100mV, so you would be able to test in circuit.
I see you have changed the schottky design, to the opposite… bugger

/J