ใบงานที่ 18

#include <SoftwareSerial.h>
#include <DHT11.h>
//=============================================
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
//LiquidCrystal_I2C lcd(0x27, 16, 2);
LiquidCrystal_I2C lcd(0x3F, 16, 2);
SoftwareSerial ArduinoSerial(3, 2); // RX, TX
//=============================================
int SW_ON = 4,SW_OFF = 5,pin=6;//กำหนดขา INPUT
int Sun = 9,CSun = 0,Relay1 = 12, Relay2 = 11; //กำหนดขา OUTPUT 
int ATL = A0,ATH = A1;//กำหนดขา Analog
int VTL1 = 0,VTH1 = 0,TL = 0,TH =0,VRHL = 50,VRHH = 80;
DHT11 dht11(pin);
//=============================================
void setup()
{
  lcd.begin();
  Serial.begin(115200);
  ArduinoSerial.begin(4800);
  while (!Serial){
    ;
    }
  //=====================================================
  lcd.setCursor(0, 0);lcd.print("Elec Pattayatech");
  lcd.setCursor(0, 1);lcd.print("Smart Farm 2016 ");
  delay(5000);
  //====================================================
  pinMode(Relay1, OUTPUT);pinMode(Relay2, OUTPUT); 
  pinMode(SW_ON, INPUT); pinMode(SW_OFF, INPUT); pinMode(Sun, INPUT);
  digitalWrite(Relay1, HIGH);digitalWrite(Relay2, HIGH);
  lcd.setCursor(0, 0);lcd.print("                ");
  lcd.setCursor(0, 1);lcd.print("                ");
}
//=============================================================
void loop()
{
  while (ArduinoSerial.available() > 0) {
  float val = ArduinoSerial.parseFloat();
  if (ArduinoSerial.read() == '\n') {
  if (val == 10) {
  digitalWrite(13, 1);
  } else if (val == 11) {
  digitalWrite(13, 0);
  }
  Serial.println(val);
  }
  }
  delay(100);
  //========ปรับค่าอุณหภูมิอ้งอิง====================================
  CSun = digitalRead(Sun);
  int err;
  float temp, humi;
  if((err=dht11.read(humi, temp))==0)
  {
  VTL1 = analogRead(ATL);
  VTH1 = analogRead(ATH);
  TL = map(VTL1,0,1023,10,30);
  TH = map(VTH1,0,1023,25,45);
  Serial.print("TL :");Serial.print(TL);Serial.println("*C");
  Serial.print("TH :");Serial.print(TH);Serial.println("*C");
  //===========================================================
    int Stemp =(int)(temp);int Shumi=(int)(humi);//ตัดทศนิยม
    Serial.print("temp :");Serial.print(Stemp);Serial.println("*C");
    Serial.print("humidity :");Serial.print(Shumi);Serial.println("%");
    Serial.print("SUN :");Serial.println(CSun);//Serial.println();
    //===================================================
    lcd.setCursor(0, 0);lcd.print("TL:");lcd.print(TL);
    lcd.setCursor(6, 0);lcd.print("TH:");lcd.print(TH);
    lcd.setCursor(12, 0);lcd.print("S1:");lcd.print(!CSun);
    lcd.setCursor(0, 1);lcd.print("TN:");lcd.print(Stemp);
    lcd.setCursor(6, 1);lcd.print("RH:");lcd.print(Shumi);
    lcd.setCursor(12, 1);lcd.print("P1:0");lcd.print(Shumi);
    delay(1000);
    //===================================================
   //=======ควบคุมอุณหภูมิ===========================
   if(temp < TL && temp < TH ){
        digitalWrite(Relay1, HIGH);//ปั๊มน้ำหยุดทำงาน
        lcd.setCursor(12, 1);lcd.print("P1:0");
        delay(100);
        digitalWrite(Relay2, LOW);//หลอดไฟทำงาน
        lcd.setCursor(12, 0);lcd.print("L1:1");
        delay(60000);//หน่วงเวลา 1 นาที
      }else if(temp > TL && temp > TH){
        digitalWrite(Relay2, HIGH);//หลอดไฟไม่ทำงาน
        lcd.setCursor(12, 0);lcd.print("L1:0");
        delay(100);
        digitalWrite(Relay1, LOW);//ปั๊มน้ำทำงาน
        lcd.setCursor(12, 1);lcd.print("P1:1");
        delay(60000);//หน่วงเวลา 1 นาที
      }else if(temp > TL && temp < TH){
       //=======ควบคุมความชื้น===========================
      if(humi < VRHL && humi < VRHH){
        digitalWrite(Relay2, HIGH);//หลอดไฟไม่ทำงาน
        lcd.setCursor(12, 0);lcd.print("L1:0");
        delay(100);
        digitalWrite(Relay1, LOW);//ปั๊มน้ำทำงาน
        lcd.setCursor(12, 1);lcd.print("P1:1");
        delay(60000);//หน่วงเวลา 1 นาที
      }else if(humi > VRHL && humi > VRHH){
        digitalWrite(Relay1, HIGH);//ปั๊มน้ำหยุดทำงาน
        lcd.setCursor(12, 1);lcd.print("P1:0");
        delay(100);
        digitalWrite(Relay2, LOW);//หลอดไฟทำงาน
        lcd.setCursor(12, 0);lcd.print("L1:1");
        delay(60000);//หน่วงเวลา 1 นาที
      }else if(humi > VRHL && humi < VRHH){
        //delay(1000);
        digitalWrite(Relay1, HIGH);//ปั๊มน้ำหยุดทำงาน
        lcd.setCursor(12, 1);lcd.print("P1:0");
        digitalWrite(Relay2, HIGH);//หลอดไฟไม่ทำงาน
        lcd.setCursor(12, 0);lcd.print("L1:0");
        //หน่วงเวลา 1 นาที     
        }
     //=======ENDควบคุมความชื้น===========================     
        }
     //=======ENDควบคุมอุณหภูมิ===========================
  }
  else
  {
    Serial.println();Serial.print("Error No :");
    Serial.print(err);Serial.println(); 
  }
 delay(DHT11_RETRY_DELAY);
}

ใบงานที่ 17

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int aVal=0,tempaVal=0;
const int SW_ON = 2;
const int led_ON =  13; int CSW_ON = 0; int C_CSW_ON =0;
int Relay1=12,Relay2=11,Relay3=10,Relay4=9;
int sensorPin = A0;
int sensorValue = 0;
void setup() {
  lcd.backlight();
  lcd.begin();
  Serial.begin(9600);
  pinMode(led_ON, OUTPUT);pinMode(SW_ON, INPUT);
  pinMode(Relay1,OUTPUT);pinMode(Relay2,OUTPUT);
  pinMode(Relay3,OUTPUT);pinMode(Relay4,OUTPUT);
//
  digitalWrite(Relay1,HIGH);digitalWrite(Relay2,HIGH);
  digitalWrite(Relay3,HIGH);digitalWrite(Relay4,HIGH);
  lcd.setCursor(0,0);
  lcd.print("Project2017");
  lcd.setCursor(0,1);
  lcd.print("standby");
}
//END Setup
void loop() {
  CSW_ON = digitalRead(SW_ON);
  sensorValue = analogRead(sensorPin);//Serial.println(sensorValue);
  //=======================================================================
  int c_sensorValue1 = map(sensorValue,0,1023,0,255);
  //Serial.print("c_sensorValue1 = ");Serial.println(c_sensorValue1);
  int c_sensorValue2 = map(sensorValue,0,1023,255,0);
  //Serial.print("c_sensorValue2 = ");Serial.println(c_sensorValue2);
  //=======================================================================
  //check SW_ON
  if (CSW_ON == LOW) { delay(1000);
    lcd.clear();
    C_CSW_ON++;
      Serial.print("C_CSW_ON = ");Serial.println(C_CSW_ON);
    //OPEN Project
    digitalWrite(led_ON, HIGH);
  //END check SW_ON
    if(C_CSW_ON == 1){
    lcd.setCursor(0,0);
    lcd.print("Power On ");
    delay(1000);
    lcd.clear();
    lcd.print("Power On ");
    delay(1000);
    lcd.clear();
    }
  }
  if(C_CSW_ON == 1){//OPEN PROJECT
    digitalWrite(led_ON, HIGH);
    //delay(1000);
    digitalWrite(Relay1, HIGH);
    //ตรวจสอบค่า VR================
      //lcd.clear();
      lcd.setCursor(0,0);
      lcd.print(c_sensorValue1);
      lcd.print(" ");
      //==============================
      if(c_sensorValue1 >= 150){
      digitalWrite(Relay2, LOW);
      }else{
        digitalWrite(Relay2, HIGH);
        }
      //=============================
    //RelaySTART();
    }else{//OFF PROJECT
    lcd.setCursor(0,0);
    //lcd.print("Power Off");
    lcd.setCursor(0,1);
    lcd.print("standby");
    digitalWrite(led_ON, LOW); C_CSW_ON = 0;
    RelaySTOP();
    }
  }//END Loop
//======โปรแกรมย่อย==========
void RelaySTOP(){
digitalWrite(Relay1,HIGH);digitalWrite(Relay2,HIGH);
digitalWrite(Relay3,HIGH);digitalWrite(Relay4,HIGH);
  }
void RelaySTART(){
digitalWrite(Relay1,LOW);digitalWrite(Relay2,LOW);
digitalWrite(Relay3,LOW);digitalWrite(Relay4,LOW);
}

ใบงานที่ 16

#include <Stepper.h>
#include "Keypad.h"
#define STEP_ANGLE_4STEP 32 //360/11.25 degree
#define STEP_OUT_WITH_GEAR 2048 //32*64
Stepper stepper(STEP_ANGLE_4STEP,8,10,9,11);
char keys[4][4]={
  {'7','8','9','A'},
  {'4','5','6','B'},
  {'1','2','3','C'},
  {'*','0','#','D'}};
byte rowPins[] = {7,6,5,4};
byte colPins[] = {3,2,1,0};
int speedmotor = 400;
int dirmotor = 1;
Keypad keypad = Keypad(makeKeymap(keys),rowPins,colPins,4,4);
void setup()
{
}
void loop()
{
  char key = keypad.getKey();
  if (key != NO_KEY)
  {
        if (key == '1')
            speedmotor = 400;
        if (key == '2')
            speedmotor = 700;
        if (key == '3')
            speedmotor = 1000;
        if (key == 'A')
            dirmotor = 1;
        if (key == 'B')
            dirmotor = -1;   
        if (key == 'C')
            dirmotor = 0;
  }
  stepper.setSpeed(speedmotor);
  stepper.step(dirmotor);
}

ใบงานที่ 15

#include <LedControl.h>
#include <DHT11.h>
int pin=4;
DHT11 dht11(pin);
LedControl lc=LedControl(8,10,9,1);
// Pin 8->DIN, 10->CLK, 9->CS(LOAD), 1 = No.of devices
void show2digit(int h,int t)
{
  int seg1,seg2,seg3,seg4;
  seg1 = h%10;
  seg2 = h/10;
  lc.setDigit(0,4,seg1,false);
  lc.setDigit(0,5,seg2,false);
  seg3 = t%10;
  seg4 = t/10;
  lc.setDigit(0,0,seg3,false);
  lc.setDigit(0,1,seg4,false);
  delay(300);
}
void setup()
{
  Serial.begin(9600);
  while (!Serial) {
      ; // wait for serial port to connect. Needed for Leonardo only
    }
  lc.shutdown(0,false);
  lc.setIntensity(0,5);
  lc.clearDisplay(0);
}
void loop()
{
  int err;
  float temp, humi;
  if((err=dht11.read(humi, temp))==0)
  {
    Serial.print("temperature:");
    Serial.print(temp);
    Serial.print(" humidity:");
    Serial.print(humi);
    Serial.println();
 
  }
  else
  {
    Serial.println();
    Serial.print("Error No :");
    Serial.print(err);
    Serial.println(); 
  }
  lc.clearDisplay(0);
  show2digit(humi,temp);
}

ใบงานที่ 14

#include <LedControl.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 11
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
float Tfloat;
long Tint;
LedControl lc=LedControl(8,10,9,1);
// Pin 8->DIN, 10->CLK, 9->CS(LOAD), 1 = No.of devices
void show6digit(int num)
{
  int seg1,seg2;
  seg2 = (((((num%100000)%10000)%1000)%100)/10);
  seg1 = (((((num%100000)%10000)%1000)%100)%10);
  lc.setDigit(0,0,seg1,false);
  if (num>=10)
      lc.setDigit(0,1,seg2,false);
  delay(300);
}
void setup(void)
{
  sensors.begin();
  lc.shutdown(0,false);
  lc.setIntensity(0,5);
  lc.clearDisplay(0);
}
void loop(void)
{
  sensors.requestTemperatures();
  Tfloat = sensors.getTempCByIndex(0);
  Tint = int(Tfloat);
  lc.clearDisplay(0);
  show6digit(Tint);
}

ใบงานที่ 13

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int PIRpin = 8;
void setup()
{
  lcd.begin();
  pinMode(PIRpin,INPUT);
  lcd.home();
  lcd.print("Waiting for PIR");
  delay(10000);     
  lcd.clear();
}
void loop()
{
  int x = digitalRead(PIRpin);
  lcd.home();
  lcd.print("PIR = ");
  lcd.print(x);
  delay(100);
}

ใบงานที่ 12

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int triggerPin = 13;
int echoPin = 12;
long duration,distCM,temp_distCM=0;
void setup()
{
  lcd.begin();
  lcd.setCursor(0,0);
  lcd.print("Dist =      cm");
  pinMode(triggerPin,OUTPUT);
  pinMode(echoPin,INPUT);
}
void loop()
{
  digitalWrite(triggerPin,LOW);
  delayMicroseconds(2);
  digitalWrite(triggerPin,HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin,LOW);
  duration = pulseIn(echoPin,HIGH);
  distCM = duration/58;
  if (temp_distCM != distCM)
  {
    lcd.setCursor(7,0);
    lcd.print("    ");
  }
  lcd.setCursor(7,0);
  lcd.print(distCM);
  temp_distCM = distCM;
  delay(300);
}

ใบงานที่ 11

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int aval,temp_aval=0;
void setup()
{
  lcd.begin();
  lcd.setCursor(0,0);
  lcd.print("aval = ");
}
void loop()
{
   aval = analogRead(A0);
   if (temp_aval != aval)
   {
      lcd.setCursor(7,0);
      lcd.print("    ");
   }
   lcd.setCursor(7,0);
   lcd.print(aval);
   temp_aval = aval;
   delay(300);
}

ใบงานที่10

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
int aVal=0,tempaVal=0;
void setup()
{
  lcd.begin();
}
void loop()
{
  aVal = analogRead(A0);

  if (tempaVal != aVal)
  {
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("LDR");
    lcd.setCursor(0,1);
    lcd.print(aVal);
    delay(300);
  }
  tempaVal = aVal;
}

ใบงานที่ 9

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
void setup()
{
  lcd.backlight();
  lcd.begin();//LiquidCrystal_I2C
}
void loop()
{
  lcd.setCursor(0,0);
  lcd.print("Hello LCD I2C");
  lcd.setCursor(0,1);
  lcd.print("Pattayatech");
}