Submitted by Guest (not verified) on Sun, 02/07/2010 - 19:11.
Yes I agree that is what you are trying to do and I understand that part. My problem is that I believe you would need a couple things to achieve it.
1. A cap in series to ac couple the signal into the arduino.
2. GND on you divider needs to be tied to the other leg of your ac signal.
See link for pic of what I am describing. This is taken from single phase power meter appnote465 on atmels website.
Yes I agree that is what you
Yes I agree that is what you are trying to do and I understand that part. My problem is that I believe you would need a couple things to achieve it.
1. A cap in series to ac couple the signal into the arduino.
2. GND on you divider needs to be tied to the other leg of your ac signal.
See link for pic of what I am describing. This is taken from single phase power meter appnote465 on atmels website.
Schematic