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faucet_test_final.ino
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faucet_test_final.ino
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#include <sevenSegmentDisplay.h>
byte seven_seg_digits[10][7] = {
{
1,1,1,1,1,1,0 }
, // = 0
{
0,1,1,0,0,0,0 }
, // = 1
{
1,1,0,1,1,0,1 }
, // = 2
{
1,1,1,1,0,0,1 }
, // = 3
{
0,1,1,0,0,1,1 }
, // = 4
{
1,0,1,1,0,1,1 }
, // = 5
{
1,0,1,1,1,1,1 }
, // = 6
{
1,1,1,0,0,0,0 }
, // = 7
{
1,1,1,1,1,1,1 }
, // = 8
{
1,1,1,1,0,1,1 } // = 9
};
#define threshold 200
#define norm 40
float cold =255;
float hot=255;
float temp=40;
const int firstDigit = 3;
const int secondDigit=4;
const int pinA = 6;
const int pinB = A1;
const int pinC = A2;
const int pinD = A3;
const int pinE = A4;
const int pinF = A5;
const int pinG = 2;
const int buttonUp=8;
const int buttonDown=9;
const int relayHot=10;
const int relayCold=11;
const int IR=A0;
void setup()
{
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, INPUT);
pinMode(9, INPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
pinMode(12, OUTPUT);
Serial.begin(9600);
}
void loop()
{
digitalWrite(12, HIGH);
int sens = irDetect();
if(sens)
{
relayOut(temp);
}
else
{
analogWrite(relayCold,0);
analogWrite(relayHot,0);
}
int sens2=checkButtons();
//delay(20);
if(sens2==1)
{
temp+=5;
}
else if(sens2==2)
{
temp-=5;
}
int fDigit = int(int(temp) % 10);
int sDigit=int(temp/10.0);
displayNum(fDigit, 1);
delayMicroseconds(5);
//delay(20);
displayNum(sDigit, 2);
delayMicroseconds(5);
//delayMicroseconds(1);
//delay(100);
Serial.print("Temp ");
Serial.println(temp);
//displayNum(4,1);
}
void displayNum (int num, int digit)
{
Serial.print("IN ");
Serial.print(num);
Serial.print(" ");
Serial.println(digit);
if (digit==1)
{
digitalWrite(firstDigit, LOW);
digitalWrite(secondDigit, HIGH);
}
else
{
digitalWrite(firstDigit, HIGH);
digitalWrite(secondDigit, LOW);
}
analogWrite(pinA,seven_seg_digits[num][0]*255);
analogWrite(pinB,seven_seg_digits[num][1]*255);
analogWrite(pinC,seven_seg_digits[num][2]*255);
analogWrite(pinD,seven_seg_digits[num][3]*255);
analogWrite(pinE,seven_seg_digits[num][4]*255);
analogWrite(pinF,seven_seg_digits[num][5]*255);
digitalWrite(pinG,seven_seg_digits[num][6]*255);
}
int irDetect()
{
int val=analogRead(IR);
if (val<=threshold)
{
return 1;
}
else
{
return 0;
}
}
int checkButtons()
{
if(digitalRead(buttonUp)==1)
{
return 1;
}
else if(digitalRead(buttonDown)==1)
{
return 2;
}
else
{
return 0;
}
}
void relayOut(int temp)
{
float val = (temp - norm);
if (val >=0)
{
cold-=(val/5)*42.5;
}
else
{
hot+=(val/5)*42.5;
}
analogWrite(relayHot, hot);
analogWrite(relayCold, cold);
}