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### References
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- We are currently supplying power to the Arduinos via USB. If we used DC converters from the batteries to the Arduinos, we might save some electricity.
# Useful Guidesguides and tips
__Real Time Clock Setup for SD3231__
[^preciseVoltage]: http://www.skillbank.co.uk/arduino/measure.htm#:~:text=Precise%20voltage%20measurement%20with%20the,number%20between%200%20and%201023.
