// Arduino test code for KY011 int redpin = 11; // select the pin for the red LED int greenpin = 10; // select the pin for the green LED int val; void setup () { pinMode (redpin, OUTPUT); pinMode (greenpin, OUTPUT); } void loop () { for (val = 255; val> 0; val--) { analogWrite (greenpin, val); analogWrite (redpin, 255-val); delay (15); } for (val = 0; val <255; val++) { analogWrite (greenpin, val); analogWrite (redpin, 255-val); delay (15); } }