Then plug the other end of the USB cable to the computer. At this point, the computer should detect and
recognize the device as a virtual serial COM port. The application may now be started.
Instructions for using the application are covered in Appendix E.
Note that the USB interface does not consume any power from the BMS. It is powered from the USB port.
Therefore, leaving the USB interface plugged into the BMS for long periods of time will not drain the battery.
2.4.7.3 Arduino LCD Display
For the adventurous DIYer, we’ve written an Arduino library that is capable of displaying the following
parameters on a 20x4 character LCD screen: Voltage, current, power, capacity, state-of-charge, cycle count,
discharge/charge MOSFET status, protection status, individual cell voltages, temperatures, and more. The
construction and usage is beyond the scope of this instruction manual, but the library can be found here, and
the documentation can be found here.
3. BMS Parameters
3.1 Protection Parameters
3.1.1 Cell over voltage
Disconnects charging current if any cell voltage goes over the Trigger value.
Reconnects when all cells drop below the Release value.
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