/**
  Basic NTC Thermistor demo
  https://wokwi.com/arduino/projects/299330254810382858

  Assumes a 10K@25℃ NTC thermistor connected in series with a 10K resistor.

  Copyright (C) 2021, Uri Shaked
*/

#include <WiFi.h>
#include <ThingSpeak.h>
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
unsigned long myChannelNumber =  2308592;
const char * myWriteAPIKey = "2TXVUN64ZWJOW1ZO";

const float BETA = 3950; // should match the Beta Coefficient of the thermistor
void setup() {
  Serial.begin(9600);

  analogReadResolution(10);
  pinMode(15,INPUT);
  pinMode(14,OUTPUT); //RED LED
  pinMode(32, OUTPUT); //GREEN LED
  pinMode(26, OUTPUT); //BLUE LED

}
void loop() {
  int analogValue = analogRead(15);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  Serial.print("Temperature: ");
  Serial.print(celsius);
  Serial.println(" ℃");

  if(celsius>=37.8) //RED 
    digitalWrite(14, HIGH); 
  else
    digitalWrite(14, LOW);

  if(celsius>=35 and celsius < 37.8) //GREEN
    digitalWrite(32, HIGH); 
  else
    digitalWrite(32, LOW);

  if(celsius<35) //BLUE
    digitalWrite(26, HIGH); 
  else
    digitalWrite(26, LOW);
  delay(1000);
}