Hi looking for usb serial extension

[nitinseshadri]

It looks like a Serial component is being added to the next App Inventor release:

Testing the next release of MIT App Inventor (nb183)

Hello everyone, We are planning the next release of App Inventor for March 27th. ai2-test has been updated. This is a components release and will come with a new companion, which you can download from the test server (under Help > Companion Information). Some highlights in this release include: New components (Magnetometer, Navigation, Serial) New Screen properties to discover platform and version (e.g., customize behavior for Android or iOS) New blocks, including a block to iterate over dict…