How to choose the highest temperature value in 8x8 array of amg8833 and display it on the dashboard?

Unfortunately, I can not use pictures to re-create (or solve) your problem.

  • For a flow - Use the node-red export feature (CTRL+E)
  • for data in a debug message - use the "copy value" button on the debug message property

See this post for more details - How to share code or flow json