SmartBug 2.0 Add-On Board Causes Loss of Bluetooth

By ef144dukeedu , 16 June 2025

Hello, I recently purchased a SmartBug 2.0 (non-machine learning one). I can use the app to connect to the Bug alone through USB and Bluetooth, but after I power down, attach the add-on board, I can no longer connect via Bluetooth. Has anyone else experienced this issue and found a solution? I need to connect to Wi-Fi to achieve desired logging rate. Thanks! Liz

Here's the error I am seeing in the log:
BLE device Disconnected
Error: BLE Write exception 'Operation aborted (Exception from HRESULT: 0x80004004)' S=1, R=0, C=0, N=0, X=0, Facility=0x0000(0), Code=0x4004(16388)
Connection started
Using BLE log file 'log_ba000727.txt'
BLE device Disconnected
Device BluetoothLE#BluetoothLE %ADDRESS REMOVED%
Pair result AlreadyPaired
Error: Device unreachable
Connection done
Service not found 0000180f %...redacted rest of numbers
Connection started
Using BLE log file 'log_ba000727.txt'
BLE device Disconnected
Device BluetoothLE#BluetoothLE%ADDRESS REMOVED%
Pair result AlreadyPaired
Error: Device unreachable
Connection done
Service not found

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