mikroelektronika / air_quality_5_click Goto Github PK
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Home Page: https://www.mikroe.com/air-quality-5-click
air_quality_5_click's Issues
I get always the same values from the sensor...
Hello, I ported the code to esp32 just rewriting the i2c read/write routine. When I run the code, I got always the same values like:
**** Airquality5 Sensor ******
NO2: 3160 NH3: 3416 CO: 3672
**** Airquality5 Sensor ******
NO2: 3160 NH3: 3416 CO: 3672
**** Airquality5 Sensor ******
NO2: 3160 NH3: 3416 CO: 3672
**** Airquality5 Sensor ******
NO2: 3160 NH3: 3416 CO: 3672
What should be an example of correct values for NO2, NH3, CO ? Are the three values expressed in ppm? Thanks
please add example for Ardunio Uno or mega etc..
i want use this sensor with esp32 (which based on ardunio).
Even if I look at the examples, it's hard to understand because it's applied to a board other than Arduino.
Lextronic provided zip file
I'm not sure it works on this click5 sensor.
Reading value with bash script
Hello, I am trying to read sensor value from air quality 5 click with I2C using bash command. But value that I receive is same or inconsistent. 5V and 3.3V are connected/
The script as follows:
data=0x8583
echo $data
i2cget -y 0 0x48 0x01 w
i2cset -y 0 0x48 0x01 0x8583 w
for i in {1..20}
do
echo -----
#----NO2----
reg_no2_temp=$(($data | 0x4000))
reg_no2_temp2=$(($reg_no2_temp >> 8))
reg_no2_temp3=$(($reg_no2_temp & 0x00FF))
reg_no2=$(($reg_no2_temp2+$reg_no2_temp3))
i2cset -y 0 0x48 0x01 $reg_no2 w
#i2cget -y 0 0x48 0x01 w
no2Data=$(i2cget -y 0 0x48 0x00 w)
no2Data=$(( $no2Data >> 4 ))
sleep 1
echo "NO2 : $no2Data"
#------------------------------
#----NH3----
reg_nh3_temp=$(($data | 0x5000))
reg_nh3_temp2=$(($reg_nh3_temp >> 8))
reg_nh3_temp3=$(($reg_nh3_temp & 0x00FF))
reg_nh3=$(($reg_nh3_temp2+$reg_nh3_temp3))
i2cset -y 0 0x48 0x01 $reg_nh3 w
#i2cget -y 0 0x48 0x01 w
nh3Data=$(i2cget -y 0 0x48 0x00 w)
nh3Data=$(( $nh3Data >> 4 ))
sleep 1
echo "NH3 : $nh3Data"
#------------------------------
#----CO----
reg_co_temp=$(($data | 0x6000))
reg_co_temp2=$(($reg_co_temp >> 8))
reg_co_temp3=$(($reg_co_temp & 0x00FF))
reg_co=$(($reg_co_temp2+$reg_co_temp3))
i2cset -y 0 0x48 0x01 $reg_co w
#i2cget -y 0 0x48 0x01 w
coData=$(i2cget -y 0 0x48 0x00 w)
coData=$(( $coData >> 4 ))
sleep 1
echo "CO : $coData"
#------------------------------
echo -----
#echo "NO2 : $no2Data , NH3 : $nh3Data , CO : $coData"
done
the output :
-----
NO2 : 3847
NH3 : 7
CO : 3847
-----
-----
NO2 : 3847
NH3 : 3591
CO : 3847
-----
-----
NO2 : 3847
NH3 : 3079
CO : 3847
-----
-----
NO2 : 3847
NH3 : 2567
CO : 3847
-----
-----
NO2 : 3847
NH3 : 2823
CO : 3847
-----
-----
NO2 : 3847
NH3 : 3079
CO : 3847
-----
-----
NO2 : 3847
NH3 : 3591
CO : 3847
-----
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