Hallo,
ich muss für die Uni ein Gasmessung durchführen. dafür haben wir einen Arduino Uno ein base shield und ein Multichannel Gas Sensor. Ich habe nun das Problem das ich im seriellen Monitor nur "Power ON!" raus bekomme und keine Messwerte. Woran liegt das?
mein Code:
// Read Data from Grove - Multichannel Gas Sensor
#include <Wire.h>
#include "MutichannelGasSensor.h"
void setup()
{
Serial.begin(115200); // start serial for output
Serial.println("power on!");
gas.begin(0x04);//the default I2C address of the slave is 0x04
gas.powerOn();
Serial.print("Firmware Version = ");
Serial.println(gas.getVersion());
}
void loop()
{
float c;
c = gas.measure_NH3();
Serial.print("The concentration of NH3 is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
c = gas.measure_CO();
Serial.print("The concentration of CO is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
c = gas.measure_NO2();
Serial.print("The concentration of NO2 is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
c = gas.measure_C3H8();
Serial.print("The concentration of C3H8 is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
c = gas.measure_C4H10();
Serial.print("The concentration of C4H10 is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
c = gas.measure_CH4();
Serial.print("The concentration of CH4 is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
c = gas.measure_H2();
Serial.print("The concentration of H2 is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
c = gas.measure_C2H5OH();
Serial.print("The concentration of C2H5OH is ");
if(c>=0) Serial.print(c);
else Serial.print("invalid");
Serial.println(" ppm");
delay(1000);
}