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- Fri May 06, 2011 11:52 pm
- Forum: BBB
- Topic: Setting the analog reference to 3.3V
- Replies: 4
- Views: 12667
Unless all you are measuring is the voltage off some potentiometers, I'd avoid the "DEFAULT" reference that uses the supply voltage as a reference. Depending on what your system is doing and how it is loading down the power, the 5 volt supply can be constantly varying and noisy. The worst case is wh...