Hi, If you take a look at the code below, it works perfectly, even if buff[] is not declared static. Why? bool table[3][3] = {false, false, false, false, false, false, false, false, false}; bool readMonitor() { char buf[3]; static byte i = 0; if (Ser…

char table in a function retains values between calls without static [SOLVED]

gfvalvo October 14, 2017, 7:26pm 3

The stack locations where buff[] is stored just don't happen to be overwritten by other code.

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