How to use share components in different screen?

Hi, all,
I have created an BLE extension module and draw it my "Screen1" page.
When BLE is connected, I will switch to "Screen2".
However, I can not use BLE blocks in Screen2.
If I draw another BLE component in "Screen2" again, it will be seem as different components.
Thus, when I use "WriteBytes" block, it inform me the BLE device is not connected.(due to they are different)

Does any how to achieve share components resource in different screen?
Best Regards,

Bluetooth will disconnect when you switch to another screen.

Use virtual screens instead

Use different screens wisely

If you decided to use different screens, then you should switch them correctly, else you will run out of memory after a while...      
The recommended method of switching screens in App Inventor
(Thanks Taifun)
Also see demo: multiscreen.aia

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