Hi i need an extension for usb serial, not for arduino. Its for Dell DW5580 Telit HSPA+ mPCIe Wireless Module Card HE910-D JPK7J 5YWH7 I need it for AT COMMANDS, connected to tha android phone with serial usb.
It looks like a Serial component is being added to the next App Inventor release:
Thanks!! I’l check it out