Members of Chalmers Robotics builds portable PA-system for Regnbågsparaden West pride

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Members of Chalmers Robotics buildt this böp named CyckelLjudet for Regnbågsparaden West pride .

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The vehicle is charging a 6S 8Ah LiPo with 600W solar panels. The Lipo is powering a UPS that is switching up the voltage to 230V that is powering the PA-system.

Because the solar regulator is designed for lead-acid battery’s  over-voltage is a big issue. Ordinary LiPo-checkers don’t check for over-voltage, so we had to design our own out of a IntroARM.

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