This task will show a list of already paired Bluetooth devices and force connect to the one you select.
You can add this task to your quick tile settings for easy access:
You also need the AutoTools plugin for this task to work.
- Import the task
- In Tasker -> Preferences -> Action -> Quick Settings Tasks set one of the quick settings to this task
- Add the corresponding Tasker quick setting to your quick setting list
Check out the demo:
If you have at least Tasker version 5.4.6b (you might need to join the beta) you can also directly import this task from here.