#include <Time.h>
//Allows arduino to tell current time.
#include <Servo.h> //Controls servo motor.
#define NUM_SAMPLES 10
int sum = 0;
// sum of samples taken
unsigned char sample_count = 0; // current sample number
float voltage = 0.0;
// calculated voltage
Servo myservo; //Create servo object to control the servo.
int postn = 80; //Variable to store the servo position.
int lightPin1 = A5; //Define a pin (A0?) for Photoresistor 1.
int lightPin2 = A4; //Define a pin (A1?) for Photoresistor 2.
void setup() {
myservo.attach(9);
pinMode(lightPin1,
not use INPUT_PULLUP
resistor.
pinMode(lightPin2,
//Attaches the servo on Pin 9 to servo object "myservo."
INPUT); //Specify pinmodes for two photoresistors. We do
because the photoresistors are specified with a pull-down
INPUT);
Serial.begin(9600); //Set baud rate for communication with serial monitor.
myservo.write(80);
//
//
//Set servo to midpoint of min and max angles
Serial.print("Current position: ");
Serial.println(postn);
//Choose auto or manual mode on startup.
Serial.println("Input current hour to begin or see app for manual mode.");
}
void loop() {
if (Serial.available()>0){
int incomingByte = Serial.parseInt();
Serial.println(incomingByte);
setTime(incomingByte, 0, 0, 0, 0, 0);
AutoMode();
int pin1 = analogRead(lightPin1);
//Collect Sensor 2.
int pin2 = analogRead(lightPin2);
Serial.print("lightPin1: ");
Serial.println(pin1);
Serial.print("lightPin2: ");
Serial.println(pin2);
if(pin1 > (pin2 + 20)){
Serial.println("Photoresistor 1 is getting more sunlight; consider
decreasing angle.");
}
if((pin1 + 20) < pin2){
Serial.println("Photoresistor 2 is getting more sunlight; consider
increasing angle.");
}
if(pin1 < 900 && pin2 < 900){
Serial.println("Insufficient light. Consider moving panel.");}
// take a number of analog samples and add them up
while (sample_count < NUM_SAMPLES) {
sum += analogRead(A2);
sample_count++;
delay(10);
}
// calculate the voltage
// use 5.0 for a 5.0V ADC reference voltage
// 5.015V is the calibrated reference voltage
voltage = ((float)sum / (float)NUM_SAMPLES * 5.015) / 1024.0;
// send voltage for display on Serial Monitor
// voltage multiplied by 11 when using voltage divider that
// divides by 11. 11.132 is the calibrated voltage divide
// value
Serial.print("Battery Voltage: ");
Serial.print(2*voltage * 11.132);
Serial.println (" V");
sample_count = 0;
sum = 0;
}
}
void AutoMode() {
//AUTO automates turning process.
//Compare sensors and print which one is getting more sunlight.
//Collect Sensor 1.
//Turn motor based on time of day until it is 8 pm. USE TIME LIBRARY OR HAVE
USER ENTER TIME EVERY HOUR.
if(hour() == 8){
Serial.println("Time is 8 A.M.");
myservo.write(58); }
else if(hour() == 9){
Serial.println("Time is 9 A.M.");
myservo.write(62) ; }
else if(hour() == 10){
Serial.println("Time is 10 A.M.");
myservo.write(64) ; }
else if(hour() == 11){
Serial.println("Time is 11 A.M.");
myservo.write(67) ;}
else if(hour() == 12){
Serial.println("Time is 12 P.M.");
myservo.write(70);}
else if(hour() == 13){
Serial.println("Time is 1 P.M.");
myservo.write(74);}
else if(hour() == 14){
Serial.println("Time is 2 P.M.");
myservo.write(80);}
else if(hour() == 15){
Serial.println("Time is 3 P.M.");
myservo.write(84); }
else if(hour() == 16){
Serial.println("Time is 4 P.M.");
myservo.write(88); }
else if(hour() == 17){
Serial.println("Time is 5 P.M.");
myservo.write(92) ;}
else if(hour() == 18){
Serial.println("Time is 6 P.M.");
myservo.write(95) ;}
else if(hour() == 19){
Serial.println("Time is 7 P.M.");
myservo.write(99) ;}
else if(hour() == 20){
Serial.println("Time is 8 P.M.");
myservo.write(103) ;}
}