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Electrical Control Unit (view source)
Revision as of 02:07, 20 January 2021
, 02:07, 20 January 2021no edit summary
## master-arduino
The master Arduino measures the battery voltage with a voltage divider circuit. For precise voltage measurements, it is recommended to use `(analogRead(pin) + 0.5) * 5.0 / 1024.0` [^preciseVoltage].
## backporch-arduino
Outputs approximately 1 V for every 30 A.
### References
[^preciseVoltage]: http://www.skillbank.co.uk/arduino/measure.htm#:~:text=Precise%20voltage%20measurement%20with%20the,number%20between%200%20and%201023.