   shift.writeRegisters();
 }
 
+void showRed3(){
+  shift.setRegisterPin(green3, LOW);   
+  shift.setRegisterPin(red3, HIGH);  
+  shift.writeRegisters();
+}
+
+void showGreen3(){
+  shift.setRegisterPin(green3, HIGH);   
+  shift.setRegisterPin(red3, LOW);   
+  shift.writeRegisters();
+}
+
 void turnOff(){
   shift.clearRegisters();
   shift.writeRegisters();  

  adjust2(voltage2);
  Serial.println(voltage2);
  
}

void adjust1(float v){


Shift shift;

//LEDs
int red1 = 4;
int green1 = 3;
int red2 = 2;
int green2 = 1;
int red3 = 10;
int green3 = 9;

//Voltages for each color
float volRedLow= 0.0;
float volRedHigh = 1.0;
float volGreenLow= 1.0;
float volGreenHigh = 1.8;

