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  1. H

    arduino based automatic derailleur

    i am here after searching for code on internet for so long time :warn: i am in a making of a recumbent trike which has a 6 speed cassette at back and a 28 tooth cog mounted on the motor shaft which spins max at 550rpm. it is at 1:1 ratio on first gear and attains a speed of 40kmph on load...
  2. H

    48v lifepo4 battery only charging upto 50v

    as iam here observing some posts,i also have an issue with my battery pack. it is a 15s3p pack with 48v nominal voltage. but, here are some issues with the pack. the charger provided is 54.6v with 6amp output and auto cut feature. it took me 3hrs to charge it to 50.7v and the charger will cut...
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