MIT App Inventor Community
Error 507 unable to connect is the device turned on?
MIT App Inventor Help
bug-or-problem
,
arduino
,
bluetooth
Taifun
October 14, 2025, 1:36pm
2
Try to ask for connect and scan permissions, then try again, see the following thread
Taifun
FAQ Section: BlueTooth Starter Guides
show post in topic