Why is this sketch running correct on the UNO and not on the NANO EVERY?
Can anyone help me please.
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The Nano Every uses a different microcontroller (ATmega4809) than the UNO (ATmega328P). Differences in memory, I/O registers, and default variable sizes can cause sketches that run on the UNO to fail or behave differently on the Nano Every. Check variable types, pin definitions, and libraries—update them for compatibility with the ATmega4809.
A clue lurks in the fact that
40000 + 25536 = 2^32
a7
See this discussion https://forum.arduino.cc/t/function-abs-on-every-malfunctioning/1150330
Different implementation for abs(), you need to use labs() for long.
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