I fixed the problems with arduino software. Now, at the last step of the project, i want this :
and this
That error happens Runtime Error: The variable $tag is not bound in the current context
Note: You will not see another error reported for 5 seconds.
I editted like that:
From the Firebase docs:
http://ai2.appinventor.mit.edu/reference/components/experimental.html#FirebaseDB
AppendValue(tag,valueToAdd)
Append a value to the end of a list atomically. If two devices use this function simultaneously, both will be appended and no data lost.
The AppendValue block expects you to have previously done a StoreValue to that tag of an AI2 List.
An AI2 List is created via a createList block.
