All our build guides, usage guides and coding tutorials are on our Resources page: https://circuitmess.com/blogs/resources
You can also find discussions and useful tips on our Community forum: https://community.circuitmess.com/ - there are plenty of topics on our products, and it's a good place to ask questions about the device you have.
More learning material lives on our GitHub, including schematics and code: https://github.com/CircuitMess
If you still can't find what you're looking for, email us at [email protected] and we'll help.