What is the problem? Please be detailed.
I would like to know the maximum number of characters I can place in a note field?
In string field I know the length is 256 by default but how about note?
What ODK tool and version are you using? And on what device and operating system version?
ODK Collect v1.11.1
What steps can we take to reproduce the problem?
What you have you tried to fix the problem?
Anything else we should know or have? If you have a test form or screenshots or logs, attach here.