Lego Mindstorms EV3 Bluetooth Connection

MIT App Inventor Help
1

I am trying to connect to LEGO MINDSTORMS EV3 using the Bluetooth function of App Inventor. However, when I connect, I get a 507 error and it seems like it is not connecting. The code is below, so please tell me how to do it.

image
image855×627 108 KB

2

(Canned Reply: ABG- Export & Upload .aia)
Export your .aia file and upload it here.
export_and_upload_aia

3

This is an aia file. All content except variables is in Korean.

esw_error.aia (21.3 KB)

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