Hi all, Will this break my arduino?
I'm using an analog accelerometer which sends readings from 0-5V, and I have an arduino uno, which has a default 5V reference voltage - so far so good. However, for my particular application all the data is between 1-3V. I want to set the AREF pin to 3.3V so I get better resolution in my readings (i.e. 3.3/1024 volts per unit instead of 5/1024). However, I have one concern: will it break anything if by some accident the sensor sends a reading of, for example, 4V when I have the board set to a 3.3V reference voltage?