Add direct BullTron BLE connect option

2026-07-11 11:48:05 +02:00
parent 5a249ecb86
commit b45641b2aa
2 changed files with 43 additions and 4 deletions
@@ -98,6 +98,16 @@ permission issue rather than a protocol issue:
 sudo .venv/bin/python bulltron_gui.py
 ```

+The scan list shows every BLE device returned by the OS; BullTron-looking
+devices are only sorted first and marked with `*`. If the battery is not shown
+at all, close the Android BullTron app so it is not holding the GATT connection,
+increase the GUI scan duration, and try the `Direct connect` field with the
+address observed in the HCI capture:
+
+```text
+7C:3E:82:1C:7A:86
+```
+
 ### Windows 11

 Install Python 3.11 or newer from <https://www.python.org/downloads/windows/>
@@ -127,6 +137,12 @@ Windows Settings and that the BullTron battery is nearby and not already held by
 the Android app. Pairing in Windows should not be required for normal telemetry;
 the original Android flow also reads telemetry without bonding.

+If the Windows scan does not list the battery, first close the Android app and
+use the GUI's longer scan duration. If the PC can still not discover it, use the
+`Direct connect` field with the captured address `7C:3E:82:1C:7A:86`. Some
+Windows Bluetooth adapters will only connect to an address after they have seen
+at least one advertisement from that peripheral in the current session.
+
 The GUI shows:

 - live pack voltage, current, discharge watts, SOC, remaining Ah, cell max/min,