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A reworked unofficial firmware for Dyson V15 (SV22) Battery Management Systems

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V10_Dyson_BMS

A written-from-scratch unofficial firmware for Dyson V10 Battery Management Systems

Allows YOU to take control of your pack - rebuild it, use it to power something else, and best of all, you can install the new firmware with just a Raspberry Pi - no need for expensive programmers!

Have a read of the Wiki for more information!

TL:DR update of current position:

What works:

  • can charge pack, can drive vacuum cleaner, including the USART comms to keep the cleaner working
  • error reporting if faults occur

Problems

  • doesn't use the rest of the status LEDs to reflect cleaner problems eg Blocked/Filter statuses
  • doesn't use the coulomb charge counter to monitor pack charge, just displays guestimates based on cell voltage.
  • No cell balancing (same as stock), I doubt this can be fixed.

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A reworked unofficial firmware for Dyson V15 (SV22) Battery Management Systems

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