Aug 5, 2014 #1 R raman00084 Full Member level 6 Joined Nov 29, 2010 Messages 362 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,298 Activity points 4,006 how to measure 5v ac rms value in pic 10bit adc please tel how to measure ac can i use diode to clip the negative?
how to measure 5v ac rms value in pic 10bit adc please tel how to measure ac can i use diode to clip the negative?
Aug 5, 2014 #2 M milan.rajik Banned Joined Apr 1, 2013 Messages 2,524 Helped 540 Reputation 1,078 Reaction score 524 Trophy points 1,393 Activity points 0 Scale 5V AC RMS to 2.5V AC RMS and then add 2.5V to it so that 2.5V will be 5V and -2.5V, 0V. Now read this level shifted DC 5V and do the calculation to get 5V AC RMS for 5V dc at adc pin.
Scale 5V AC RMS to 2.5V AC RMS and then add 2.5V to it so that 2.5V will be 5V and -2.5V, 0V. Now read this level shifted DC 5V and do the calculation to get 5V AC RMS for 5V dc at adc pin.
Aug 6, 2014 #3 R raman00084 Full Member level 6 Joined Nov 29, 2010 Messages 362 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,298 Activity points 4,006 have any shematic and sample code for doing