MQ-135 Air Quality Sensor with a Raspberry Pi

hello my dear profesor y try to instal this component sensor in my raspberry pi 3b but i dont find the sudo command to play to recognized in ports gpio any sugerence to can made it and any easy program to start in thony i very gratefull for this help

can u pls share the code sir

Can it sense PM 2.5 levels?

Does any one knows how to read the voltage of a 0-24V sensor with the pico?

How can I get digital signal from gas sensor for capturing CO2 emission? I am using Raspberry Pi 2B model.

Which raspberry Pi board is used for the project?

HAPPY ST PATTY‘S

can you send me this code thank you

Hello Can you share MQ-138 Air Quality Sensor with Raspberry Pi?

Love your sharing on pinout and coding.. feel free to share for the use of the converter digital to analog. I am happy to learn it from you sir. Waiting future video on sensor. I am newbies in raspberry. Tq sir

Doesnt that thing output 5 volts? That is no bueno for the gpio pins on the pi, which only are allowed to take 3.3 volt

How to calibrate mq-135 sensor for air quality checking

Have you tried BME680 sensor? It should work with Pi digitally out of the box.

And can you tell, how to connect mq135 with raspberry pi pico ?

This same code will work for raspberry pi pico ?

Hi sir, can you please guide how to connect this sensor to return Analog Output?

but how to implement notification? can be send any notification that monitoring it ?

sir really thak you very much ı searching for how can ı change analog to digital all day but ı dont need now. best regards

Hi..if i want to implement mq136 using raspberry pi..is it the same or have a slight difference with mq135 ..can you show how..thank you

can i know what software did you use?

Do you have a download link for the programm etc ?

hi im a a beginner in this and can you please show what pins where connected??

first