Question about Ozone Gas Sensor 12-Bit (MQ131 i2c)

[ehdtlseotod]

Hi @Bhaskar,

empierre/arduino/blob/master/AirQuality-Multiple_Gas_Sensor1_4.ino

I ran it with the code you gave me.
empierre / arduino / blob / master / AirQuality-Multiple_Gas_Sensor1_4.ino
A library error occurs.
If you have a library, please give it to me.

Arduino: 1.8.8 (Windows 10), Board: “Arduino / Genuino Uno”

sketch_mar05a: 175: 18: error: no matching function for call to ‘MySensor :: MySensor (int, int)’

In file included from C: \ Users ? 씠 낆꽑 낆꽑 \ Desktop \ sketch_mar05a \ sketch_mar05a.ino: 25: 0:

C: \ Users \ Duplicate \ Documents \ Arduino \ libraries \ MySensors / MySensor.h: 158:

MySensor (MyTransport & radio = * new MyTransportNRF24 (), MyHw & hw = * new MyHwDriver

^

C: \ Users \ Duplicate \ Documents \ Arduino \ libraries \ MySensors / MySensor.h: 158:

C: \ Users \ Django \ Documents \ Arduino \ libraries \ MySensors / MySensor.h: 149: 7: note: candidate: constexpr MySensor :: MySensor (const MySensor &

class MySensor

   ^

C: \ Users \ Duplicate \ Documents \ Arduino \ libraries \ MySensors / MySensor.h: 149: 7: note: candidate expects 1 argument, 2 provided

C: \ Users \ Django \ Documents \ Arduino \ libraries \ MySensors / MySensor.h: 149: 7: note: candidate: constexpr MySensor :: MySensor (MySensor &&)

C: \ Users \ Duplicate \ Documents \ Arduino \ libraries \ MySensors / MySensor.h: 149: 7: note: candidate expects 1 argument, 2 provided

exit status 1
no matching function for call to ‘MySensor :: MySensor (int, int)’

[Bhaskar]

hi,
you will need to place the .cpp and .h files in your arduino library folder.

Thanks

[ehdtlseotod]

I saved. The above error will still occur.

[ehdtlseotod]

[Bhaskar]

please can you post this issue on github lib as well. this lib was developed by a third party user.
You can look into this one as well

ncdcommunity/Arduino_Library_MQ131_Ozone_Gas_Detection_Sensor

Thanks

[ehdtlseotod]

If I run the above code, I get the wrong value.
This is what I wrote.

Question about Ozone Gas Sensor 12-Bit (MQ131) measurement

More than 400 PPM of ozone from my product. Hardware Configuration Arduino Uno + Arduino Uno Compatible I2C Shield + Ozone Gas Sensor 12-Bit (MQ131) Connect the power for 3 days and heat the sensor. The wrong amount of ozone is measured. As the amount of ozone increases, the measured value of MQ131 decreases. What is it? Ask for help. Attachment (code, photo) #include <Wire.h> #include <ADC121C_MQ131.h> ADC121C_MQ131 mq131; void setup(void) { Serial.begin(9600); // The address can be…

So I tried to run it with your newly provided code.

However, the code below shows ‘MySensor :: MySensor (int, int)’.

empierre / arduino / blob / master / AirQuality-Multiple_Gas_Sensor1_4.ino

[Bhaskar]

in the picture it shows max 77ppm. when does it show 400ppm.
does the sensor reading change when you change the O3 value.

I dont have a sensor with me…i will get one and will give it a try. looks like there is data conversion issue.

[ehdtlseotod]

1. 400PPM after 1 minute of operation.
2. Sensor display before operation: 0.077ppm
3. Sensor display after operation: 0.005ppm
4. The ppm drops after operation.