     servo_virt.attach(SERVO_PIN_VIRT);
     servo_horz.attach(SERVO_PIN_HORZ);
     
-    servo_virt.write(90);
+    servo_virt.write(110);
     servo_horz.write(90);
 }
 
 void loop()
 {
-    // Move the panels if needed.
-    tkr_move();
-    delay(100); 
+    unsigned long now = millis();
+    if (now - move_last >= move_interval) {
+        // Move the panels if needed.
+        tkr_move();
+    }
 }
 
 void tkr_move()

#define SERVO_PIN_VIRT 8 // PB0
#define SERVO_PIN_HORZ 9 // PB1

Servo servo_virt;
Servo servo_horz;


/* 

Connect the photoresistor one leg to pin 0, and pin to +5V
Connect a resistor from pin 0 to GND.
Need to try in sunlight to get better idea of good resistor value.

----------------------------------------------------

           PhotoR     10K
 +5    o---/\/\/--.--/\/\/---o GND
                  |
 Pin 0 o-----------
