What is this....

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without getting in detail.... i'm deconstructing bit of code in effort write own program similar function , there's in here don't recognize....

^=

specifically....

var1 ^= var2

any ideas or knows? information helpful. i've been able read of code , understand myself exception of 1 thing. unfortunately, great google gods came empty today.

^ exclusive-or operator. ^= xor 2 operands , saves result in 1 on left.

https://www.arduino.cc/en/reference/bitwiseand


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