Hey, I was wondering what the possibilities are of measuring the voltage of a LiFe battery pack of 13.2V. I know I can divide the voltage so its 5V at 13.2V and measure the 5V with the analogue input of the Arduino to see the drop. Now what I am worried about (this is where my limited electronics …

Measuring LiFe battery pack voltage with Arduino

anatolyk69_gmail.c February 24, 2011, 12:13pm 2

Don't worry, resistive divider is safe approach to decrease voltage.
Just don't exceed +5 V

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