09-17-2015, 12:30 PM
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 doneNašao sam taj kod na internetu i kod radi sve je ok, ali kako da promjenim opseg temperature trenutno je 0-255°C a meni treba preko 300°C?