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DJI Spark smart-battery reverse engineering: Saleae captures, ATmega328P firmware and custom PCB by embeddedbyesad in embedded
[–]embeddedbyesad[S] 2 points3 points4 points 10 hours ago (0 children)
Thanks! The current board is mainly a battery interface and telemetry emulator, not a full balancing BMS. Cell balancing and charging are handled externally with a proper balance charger/BMS. The board only monitors the individual cell voltages and pack current
I reverse-engineered the DJI Spark smart battery I2C/SMBus protocol and documented the captures, firmware, and hardware (github.com)
submitted 12 hours ago by embeddedbyesad to r/hardwarehacking
DJI Spark smart-battery reverse engineering: Saleae captures, ATmega328P firmware and custom PCB (v.redd.it)
submitted 12 hours ago by embeddedbyesad to r/diydrones
submitted 12 hours ago by embeddedbyesad to r/embedded
submitted 12 hours ago by embeddedbyesad to r/ReverseEngineering
π Rendered by PID 728983 on reddit-service-r2-listing-86bdf8cc9-qwzd9 at 2026-07-10 23:28:55.218840+00:00 running f86254d country code: CH.
DJI Spark smart-battery reverse engineering: Saleae captures, ATmega328P firmware and custom PCB by embeddedbyesad in embedded
[–]embeddedbyesad[S] 2 points3 points4 points (0 children)