Serve graphics with Eithernet Uno?

Projects General Guidance
7

  1. What does the debugging show?

  2. Can you use code tags to post code? You can do that by hitting the # button above the posting area.

  3. After this line:

  File source = openFile(fileName);

You don't check if the file opened OK. If not (and source is not open) then the program will likely hang.