--- /dev/null
+#include <SoftwareSerial.h>
+#include "MHZ19.h"
+
+const int rx_pin = 2; // connect to TX on MHZ19
+const int tx_pin = 3; // connect to RX on MHZ19
+
+
+MHZ19 mhz19 = MHZ19(rx_pin,tx_pin);
+
+
+void setup()
+{
+ Serial.begin(115200);
+ mhz19.begin(rx_pin, tx_pin);
+}
+
+
+void loop()
+{
+ measurement_t m = mhz19.getMeasurement();
+
+ Serial.print("co2: ");
+ Serial.println(m.co2_ppm);
+ Serial.print("temp: ");
+ Serial.println(m.temperature);
+
+ delay(500);
+}
+