Arduino - tutorijali, pitanja, primjeri i projekti

Code:

//******arduino pwm 5 i 6 u kontrafazi*******//

// TEST program //

#define OCR0A pin6

#define OCR0B pin5

#define OCR2A pin11

#define OCR2B pin3

int led = 13;



void setup(){

pinMode(6,OUTPUT);

pinMode(5,OUTPUT);

pinMode(led, OUTPUT);     



//biranje moda > single 62Khz ili dual u kontrafazi na 31Khz.

//TCCR0A = _BV(COM0A1) | _BV(COM0B1) | _BV(WGM01) | _BV(WGM00); //62KHz fast pwm

TCCR0A = _BV(COM0A1) | _BV(COM0B1) | _BV(WGM00); //31KHz phase shift

TCCR0B = _BV(CS00) ; //set prescaler to 1



    //TCCR0A |= (1 << COM0A1);>  // set none-inverting mode

        //TCCR0A |= (1 << COM0A0); //pin6  invert mode

        TCCR0A |= (1 << COM0B0);   //pin5  invert mode



    // set none-inverting mode



}

int k;

void loop(){



OCR0A = 50; 

OCR0B = 100;  // 255 - vrednost



k++;

if(k==95) { k=0; };

   OCR0A=k; 



  digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)

  delay(5000);               // wait for a second

  digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW

  delay(5000); 



}

Code:

// written by Dylon Jamna (ME!)

// include the library code

#include <EEPROM.h>

#include <LiquidCrystal.h>// include the library code

int tempPin = A0;  // make variables// thermistor is at A0

int led =13; // led is at pin

float temp;  // make a variable called temp

float settemp; // make a variable called temp

int swtu = 7;  // switch up is at pin 7

int swtd = 6;   // switch down is at pin 6

LiquidCrystal lcd(12, 11, 5, 4, 3, 2); // lcd is at 12,11,5,4,3,2



void setup() {

  pinMode (led,1);  // make led or pin13 an output

  Serial.begin (9600); // set the serial monitor tx and rx speed

  lcd.begin(16, 2); // set up all the "blocks" on the display

  lcd.setCursor(0,0); // set the cursor to colum 0 row 0

  lcd.print("hello, world!"); // display hello world for 1 second

  lcd.clear(); // clear the lcd

  EEPROM.read (1); // make the eeprom or atmega328 memory address 1

}



void loop() {



  int tvalue = analogRead(tempPin);  // make tvalue what ever we read on the tempPin

  float temp = (tvalue / 25.111111111222222); // the math / conversion to temp

  lcd.setCursor (0,0); // set the cursor to 0,0

  lcd.print (temp);  // Print the current temp in f

  lcd.print ('C');

  Serial.println (temp);  // print the temp it the serial monitor

  settemp = EEPROM.read(1); // read the settemp on the eeprom



  delay (100); // wait for the lcd to refresh every 250 milliseconds

 

  if             // if we se the switch up pin reading on 1 or 5 volts

    (digitalRead(swtu)== 1 )

  {

    settemp ++  // add one to the settemp, the settemp is the ideal temperature for you

   



      ;

  }



else{// other wise do nothing



}



if

(digitalRead (swtd) == 1)// if we detect a 1 on the other switch pin

{

  (settemp --);// subtract one fromm the settemp

 

}

else {

// else, do nothing

}



if (temp > settemp) // if the temperature exceeds your chosen settemp

{

  digitalWrite (led, 0); // turn on the led

}

else // if that doesn't happen, then turn the led off

{

  digitalWrite (led,1);

}







lcd.setCursor (0,1); // set the cursor to 0,1

lcd.print ("Set To "); // Print set to and your ideal temperature in f

lcd.print (settemp);

lcd.print ('C');

Serial.println(settemp);  // Print the settemp in the serial montior



EEPROM.write (1,settemp); /* write the most recent settemp in eeprom data stoage

  so that if the power is disconnected, you settemp is saved!*/

 





delay (100); // wait 250 milliseconds







} // we're done