const float BETA = 3950; // should match the Beta Coefficient of the thermistor
void setup() {
pinMode(A5, INPUT);
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);
pinMode(9, OUTPUT);
pinMode(8, OUTPUT);
pinMode(0, INPUT);
Serial.begin(9600);
}
void loop() {
digitalWrite(13, LOW);
digitalWrite(12, LOW);
digitalWrite(11, LOW);
delay(1000);
int temperute = analogRead(A5);
float celsius = 1 / (log(1 / (1023. / temperute - 1)) / BETA + 1.0 / 298.15) - 273.15;
//int temperute = 10;
Serial.println(temperute);
if (temperute < 0) {
digitalWrite(13, LOW);
digitalWrite(12, LOW);
digitalWrite(11, HIGH);
delay(1000);
}
if (temperute == 10) {
digitalWrite(13, LOW);
digitalWrite(11, LOW);
digitalWrite(12, HIGH);
delay(1000);
}
if (temperute < 25) {
digitalWrite(13, HIGH);
digitalWrite(11, LOW);
digitalWrite(12, LOW);
delay(1000);
}
//int humidity = analogRead(0); // Read analog value from humidity sensor
delay(1000);
}