byte a = 20; void setup() { Serial.begin(115200); constrain(a, 0, 250); // 0-254 causes warning Serial.print("\n\na: "); Serial.print(a); } void loop() { } Any value 0 - 254 for the 3rd argument for Constrain() causes this warning warning: second operand of conditional expression has n…

Constrain() - warning: second operand of conditional expression has no effect

J-M-L April 6, 2018, 5:55am 5

Using min this way has not the same output As constrain...

EDIT: in general