The user interface consists of an OLED display located on the forearm part of the brace. This will be used to display battery level, feedback messages, and warnings. If we can, we will place a couple of buttons to select options in the OLED display. Otherwise, the joystick will be used to make said selections.
In addition a low battery level warning device which came with the LiPo battery will be placed in the backpack. This device has a powerful buzzer which will beep when any of the four battery cell voltages approaches low voltages. This is necessary because the battery will get damaged if the cell voltages go below the minimum specifications.
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