possible to add 2 point voltage calibration? 10.000V reads 9.09V

michar71 / Open-DSO-150

An open source firmware for JYE Tech DSO-150 Digital Storage Oscilloscope

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possible to add 2 point voltage calibration? 10.000V reads 9.09V #54

Open gregcrago opened 3 years ago

gregcrago commented 3 years ago

Great little tool. I have a AD584LH precision voltage reference did an AUTOCAL and meter set to LOOP and VOLTMETER mode on. Fed 2.500V, displayed 2.28V, fed 5.000V, displayed 4.57V, fed 7.500V displayed 6.85V, fed 10.000V displayed 9.09V. Would a 2 point voltage calibration work better?