You can contact M5Stack through their official website's contact page or email them at support@m5stack.com. Additionally, their forums and social media channels are great for inquiries.

Ensure you're using the correct credentials and that your access permissions are set correctly. Try resetting your password, check if the repository is private, or contact your project administrator for assistance with authentication issues.

To use HTTP GET in uiflow2 for fetching JSON, use the "HTTP Request" block. Set the method to "GET" and provide the URL of the API. Then, process the response with a JSON block to parse the data.

To remove labels and touch buttons, access the interface design or software settings. Locate the labels and buttons section, and delete or disable them. Save changes. Refer to user manuals or guides for specific instructions tailored to your device or platform.

You can contact M5Stack through their official website's contact page or email them at support@m5stack.com. Additionally, their forums and social media channels are great for inquiries.

The ATOMIC SPK Base (NS4168) with UIFlow2 is compatible with various example projects for robotics and IoT. You can find UIFlow2 examples on the official Atomic Pi documentation or their GitHub repository for ready-to-use sample codes.