Firmware Update
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Connect
Backup NVS
Flash
Restore NVS
Flash Latest Release from GitHub
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Flash from Custom Firmware File
Clear Device Data
Remove all saved presets, calibration data, and settings from the device. Connect via USB first.
Device Information
Device:
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Chip:
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MAC Address:
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Flash Size:
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Latest Available:
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NVS Inspector
Battery Calibration Data
Battery Percentage:
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BLE On Time:
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BLE Off Time:
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Discharge Time:
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Calibration Time:
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Is Charging Mode:
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USB At Boot:
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NVS Size:
20 KB @ 0x9000
Serial Monitor
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serial connection...
About
KB1 Flash Tool is free and open source. The firmware, config app, and flash tool are all MIT licensed and available on GitHub.
Built on the shoulders of ESPConnect by The Last Outpost Workshop — an excellent open-source ESP32 web flash tool. Thank you for making this possible.