int RTL = 0; // select the input pin for the potentiometer int MTL = 0; int LTL = 0; void setup() { Serial.begin(9600); pinMode(2, OUTPUT); pinMode(3,OUTPUT); pinMode(7, OUTPUT); pinMode(8,OUTPUT); } void loop() { analogWrite(5,100); analogWrite(6,100); RTL = analogRead(A2); MTL = analogRead(A3); LTL = analogRead(A4); // Serial.println(RBL); // delay(1000); //Serial.println(LBL); //delay(1000); if ( RTL