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By TS-Chris
Hi Bastien.

The OpenLog Artemis does have one analog input pin that's limited to a voltage of 2 volts. As long as your battery is less than 2V, this would work and you can log voltage directly to the OLA. If it's more than 2 volts, you would need to build a voltage divider that drops battery voltage down to a maximum of 2 volts and then do a bit of math on the log file to get the true battery voltage.

If you have another voltage sensor that outputs a serial string, that could be attached to the OLA and the OLA will log it's output as-is.
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