add plot_mhz19.py

[toast/airingbutler.git] / airingbutler.ino

diff --git a/airingbutler.ino b/airingbutler.ino
index b1bbaf9507a822dbdb113a390a99f82d0a5d23eb..94ba188bf829b92983ee89351c98132f5ffe1ff0 100644 (file)
--- a/airingbutler.ino
+++ b/airingbutler.ino
@@ -6,24 +6,28 @@ const int tx_pin = 3; // connect to RX on MHZ19
 
 
 MHZ19 mhz19 = MHZ19(rx_pin,tx_pin);
+unsigned long time;
 
 
 void setup()
 {
     Serial.begin(115200);
+    Serial.println("Time,CO2,Temp");
     mhz19.begin(rx_pin, tx_pin);
 }
 
 
 void loop()
 {
+    time = millis();
     measurement_t m = mhz19.getMeasurement();
 
-    Serial.print("co2: ");
-    Serial.println(m.co2_ppm);
-    Serial.print("temp: ");
+    Serial.print(time);
+    Serial.print(",");
+    Serial.print(m.co2_ppm);
+    Serial.print(",");
     Serial.println(m.temperature);
     
-    delay(500);
+    delay(5000);
 }