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solar_tracker.ino
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solar_tracker.ino
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#include <Servo.h>
Servo servo;
int val0;
int val180;
int val90;
int val270;
int diff1;
int diff2;
int diff3;
int diff4;
void setup()
{
Serial.begin(9600);
servo.attach(9, 600, 2400);
}
void loop()
{
val0 = analogRead(0);
val180 = analogRead(1);
val90 = analogRead(2);
val270 = analogRead(3);
Serial.print(val0);
Serial.print(" ");
Serial.print(val180);
Serial.print(" ");
Serial.print(val90);
Serial.print(" ");
Serial.println(val270);
diff1 = val0 - val180;
diff2 = val90 - val270;
diff3 = val180 - val0;
diff4 = val270 - val90;
if (diff1 < 50 && diff2 < 50 && diff3 < 50 && diff4 < 50 )
{
servo.writeMicroseconds(1500);
}
else
{
if (val0 > 900)
{
servo.writeMicroseconds(1575);
}
else if (val180 > 900)
{
servo.writeMicroseconds(1630);
}
else if (val90 > 900)
{
servo.writeMicroseconds(1705);
}
else if (val270 > 900)
{
servo.writeMicroseconds(1500);
}
}
}