#define L A0
#define R A1
 
int sigL = 0;
int sigR = 0; 

void setup() {
 pinMode(2, OUTPUT);
 pinMode(3, OUTPUT);
}
 
void led() {
 sigL = analogRead(L)*5;
 sigR = analogRead(R)*5;
 if (sigL > 600)  {digitalWrite(2, HIGH);} else {digitalWrite(2, LOW);}
 if (sigR > 650) {digitalWrite(3, HIGH);} else {digitalWrite(3, LOW);}
 
}
 
void loop() {
 led();
}