Recently, I was talking with Paul, VK3HN, and he mentioned that he had a sketch that, when built for an Uno, was short of RAM.
Paul sent me the code, I compiled it, and didn't get the warning.
This was puzzling of course. I figured it could be one of two things:
- One of the libraries had been improved to use less RAM
- The gcc compiler bundled in the IDE had improved.
The figure is dynamic memory use: