Welcome to CircuitPython's Web API. Go to the <ahref="/fs/">file browser</a> to work with files in the CIRCUITPY drive. Go to the <ahref="/cp/serial/">serial terminal</a> to see code output and interact with the REPL. Make sure you've set <code>CIRCUITPY_WEB_API_PASSWORD='somepassword'</code> in <code>/.env</code>. Provide the password when the browser prompts for it. Leave the username blank.