New answers tagged variables
3
I think you missed a compiler warning (I did, too!) - notice that you are using 'd' uninitialized. On each re-entry to the loop() function, loop()'s stack will be in the same place in memory. The for-loop doesn't initialize 'd', but the boot loader did zero RAM for your first run. 'd' happens to occupy the same memory location on each entry to loop(), so the ...
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