March was largely spent working on our micro mouse’s special feature. our special feature was a speaker system that can play sound effects that allow us to play sound effects and music while our mouse works. In order to achieve this the speaker had to be powered by a separate battery which was custom made by removing one of the cells from a 4 cell micro mouse battery in order to create a battery outputting the correct voltage for our speaker. in order to charge the battery i soldered on a connector with an isolator switch for safety which allowed the 3 cell battery to be soldered while it was in the micro mouse chassis.
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