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PROGMEM is a keyword used when declaring a variable that keeps the data in flash instead of copying it into SRAM. It is part of the `pgmspace.h` library. Use this tag for discussions about using this attribute.

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LDC paired with Arduino locks up and freezes. Out of SPRAM?

I tried to create PROGMEM variables to use in the print commands, but I couldn't get it to work so I ended up just adding the F() macro to every print statement (there's a lot). …
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LDC paired with Arduino locks up and freezes. Out of SPRAM?

I found the problem! it was specific to my code and didn't turn out to have anything to do with ram or power. The problem was I hadn't detached the interrupt from the rtc when I woke it up with a butt …
cr5519's user avatar
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