 
 int mq7 = 0;
 int mq2 = 0;
+int mq135 = 0;
 
 char fmt [64];
 

    }
}

void serialize(char* fmt) {
    sprintf(fmt, "mq7: %i, mq2: %i, hum: %i, tmp: %i, hid: %i;", mq7, mq2, (int)hum, (int)tmp, (int)(hid+0.5));
}

void callback() {
    mq7 = readMQ7();
    mq2 = readMQ2();
    hid = dht.computeHeatIndex(tmp, hum, false);

    serialize(fmt);

#include <TimerOne.h>

#define MQ7PIN A0
#define MQ2PIN A1
#define MQ135PIN A2
#define DHTPIN 8
#define DHTTYPE DHT11

