บทความ

กำลังแสดงโพสต์จาก กันยายน, 2018

งานปฏิบัติ 11

รูปภาพ
Code #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; }

งานปฏิบัติ 18

รูปภาพ
 Smart Farm system Code 1 #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);   //======================================

งานปฏิบัติ 17

รูปภาพ
การควบคุมเครื่องใช้ไฟฟ้าขนาดใหญ่ Code 1 #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,

งานปฏิบัติ 16

รูปภาพ
การควบคุมมอเตอร์ Code 1 #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 =

งานปฏิบัติ 15

รูปภาพ
                                    การอ่านค่าอุณหภูมิและค่าความชื้น DHT11 Code 1 #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

งานปฏิบัติ 14

รูปภาพ
การอ่านค่าอุณหภูมิด้วย DS18820 Code 1 #include <LiquidCrystal_I2C.h> #include <OneWire.h> #include <DallasTemperature.h> #define ONE_WIRE_BUS 11 OneWire oneWire(ONE_WIRE_BUS); DallasTemperature sensors(&oneWire); float Tfloat; LiquidCrystal_I2C lcd(0x27,16,2); void setup(void) {   sensors.begin();   lcd.begin();   Serial.begin(9600); } void loop(void) {   sensors.requestTemperatures();   Tfloat = sensors.getTempCByIndex(0);   Serial.print(Tfloat);   lcd.setCursor(0,0);   lcd.print("T = ");   lcd.print(Tfloat,4);   delay(250); } ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// Code 2 #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=LedC