ostaquet Arduino-MQ131-driver issues

ostaquet / Arduino-MQ131-driver

Arduino driver for gas sensor MQ131 (Ozone / O3)

MIT License

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issues

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Library compatibility with Nano ESP32

#61 hndrzn opened 6 months ago
1
Bluetooth hc-05

#60 EmbeddyE closed 6 months ago
1
control temperature

#59 nuo2004lyn closed 1 year ago
1
Always on?

#58 AlvaroDLR closed 1 year ago
1
Wrong Readings PPB

#57 Sebastian08155 closed 1 year ago
1
Low Concentration Qualitative Detection MQ131 with ESP32

#56 dvJoshr closed 1 year ago
2
Unusual Sensor Reading

#55 NXTkoji closed 2 years ago
3
Load resistance with 3.3V microcontroller

#54 ostaquet closed 2 years ago
1
Ground connection in schematics

#53 ostaquet closed 2 years ago
1
MQ131 module.

#52 dietherdave closed 2 years ago
0
high concentration mq131

#51 rihamk2 closed 2 years ago
1
MQ131 and ESP32

#50 dimitris1965 closed 1 year ago
4
confusing wiring diagram

#49 ziyan1153859 closed 2 years ago
3
PPB values

#48 TheMrguiller closed 2 years ago
1
live data

#47 gilshallem closed 3 years ago
1
Additional processing during the heating/reading process

#46 MateuszOsiniak closed 3 years ago
1
Ozone Analyser (03)

#45 kirankj03 closed 3 years ago
1
doesn't print correctly

#44 tamalatomico closed 3 years ago
1
MQ131 analog out less than 1V

#43 oeyaugust closed 3 years ago
1
Collection of data points in the data sheet to define equation

#42 JosephJohnZ closed 3 years ago
1
Mixed up formulas in the environmental correction ratio

#41 JosephJohnZ closed 3 years ago
3
Two sensors MQ131: LOW and HIGH concentration in project

#40 Chris722 closed 3 years ago
3
Can we use MQ-131 module with 4 pins with the library? (instead of raw sensor with 6 pins)

#39 lailomah closed 3 years ago
2
Time between readings (Heater on, Heater off)

#38 SciWax closed 3 years ago
3
Sensitivity curves

#37 morfeus2 closed 3 years ago
4
Changing 5V to 3.3V on the mq131.cpp readRS()function

#36 alf-esp32 closed 4 years ago
2
About declaration and the type of variable of RL.

#35 ferreiradiego closed 4 years ago
1
the time required to heat up the resistance

#34 ChanGarciaV closed 4 years ago
3
Update MQ131.h

#33 Kesavaram closed 4 years ago
0
Update MQ131.cpp

#32 Kesavaram closed 4 years ago
3
when I apply ozone to the MQ131 sensor instead of increasing the value it drops

#31 acavolina closed 4 years ago
7
How to obtain the value of R0?

#30 ostaquet closed 4 years ago
3
Derivation of R0

#29 chazbevo closed 4 years ago
11
Measuring low concentration (fresh air) with high concentration sensor

#28 chazbevo closed 4 years ago
1
Usage of DHT11 and MQ131

#27 ostaquet closed 4 years ago
1
Adjusting time to heat and frequency of sensor reads

#26 chazbevo closed 4 years ago
1
Concentration in ppb and ppm and functions to calculate the values

#25 ferreiradiego closed 4 years ago
1
Use this library for others MQ-Sensors, it's possible?

#24 ferreiradiego closed 4 years ago
1
Add sensor from SainSmart

#23 toze3 closed 4 years ago
1
Heater connection in the circuit

#22 chedao24 closed 4 years ago
1
Can I keep the heater always on?

#21 ferreiradiego closed 4 years ago
2
How to calculate the Rs?

#20 marinajg closed 4 years ago
3
Fixing a few little problems

#19 nitram147 closed 4 years ago
0
About the influence of temperature and humidity in the values.

#18 ferreiradiego closed 4 years ago
6
Change parameters and override those defined in MQ131.h

#17 chazbevo closed 4 years ago
5
Wiring of all pins of the sensor

#16 SciWax closed 4 years ago
1
measuring volume

#15 CarlosFonseca97 closed 4 years ago
1
about calibrate function

#14 flaviomo closed 4 years ago
2
Why using a RL of 10K and not a 1M as in datsheets?

#13 msillano closed 4 years ago
2
some question...

#12 atlask1 closed 5 years ago
1