For beginners:

https://www.youtube.com/watch?v=nu_pCVPKzTk (Web Development Starter)

https://www.youtube.com/watch?v=zJ-LqeX_fLU (Arduino Develpment Starter)

Demos API Key:

https://www.desmos.com/api/v1.8/docs/index.html#document-api-keys

Any questions can be directed towards anyone on the Star Hacks team on our discord!