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2. Firmware & Program 2.0
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PM2.5
Example
PM2.5(SHT20 Version)
Obtain the values of pm2.5 particles and sht20 temperature and humidity values
from m5stack import *
from m5ui import *
from uiflow import *
import module
setScreenColor(0x222222)
pm25_sht20 = module.get(module.PM25)
while True:
print((str('SPM PM1.0:') + str((pm25_sht20.get_pm1_0_factory()))))
print((str('SPM PM2.5:') + str((pm25_sht20.get_pm2_5_factory()))))
print((str('SPM PM10:') + str((pm25_sht20.get_pm10_factory()))))
print((str('ATE PM1.0:') + str((pm25_sht20.get_pm1_0_air()))))
print((str('ATE PM2.5:') + str((pm25_sht20.get_pm2_5_air()))))
print((str('ATE PM10:') + str((pm25_sht20.get_pm10_air()))))
print((str('>3.0um Particles:') + str((pm25_sht20.get_num_above_0_3()))))
print((str('TEM:') + str((pm25_sht20.get_sht20_temperature()))))
print((str('HUM:') + str((pm25_sht20.get_sht20_humidity()))))
wait_ms(2)PM2.5(SHT30 Version)
Obtain the values of pm2.5 particles and sht30 temperature and humidity values
from m5stack import *
from m5ui import *
from uiflow import *
import module
setScreenColor(0x222222)
pm25_sht30 = module.get(module.PM25_SHT30)
while True:
print((str('SPM PM1.0:') + str((pm25_sht30.get_pm1_0_factory()))))
print((str('SPM PM2.5:') + str((pm25_sht30.get_pm2_5_factory()))))
print((str('SPM PM10:') + str((pm25_sht30.get_pm10_factory()))))
print((str('ATE PM1.0:') + str((pm25_sht30.get_pm1_0_air()))))
print((str('ATE PM2.5:') + str((pm25_sht30.get_pm2_5_air()))))
print((str('ATE PM10:') + str((pm25_sht30.get_pm10_air()))))
print((str('>3.0um Particles:') + str((pm25_sht30.get_num_above_0_3()))))
print((str('TEM:') + str((pm25_sht30.get_sht30_temperature()))))
print((str('HUM:') + str((pm25_sht30.get_sht30_humidity()))))
wait_ms(2)API
SHT20
pm25_sht20.get_num_above_0_3()- Retrieves the number of particles with a diameter greater than 0.3 (2.5/10) micrometers in the air, measured in particles per 0.1 liters of air. Returns an integer value.
pm25_sht20.get_pm1_0_factory()- Retrieves the PM1.0 (PM2.5, PM10) concentration value from the PM2.5 sensor (SHT20).
- PM: Represents particulate matter concentration, usually measured in micrograms per cubic meter (µg/m³).
- ATE: This option typically represents Air Quality Index (AQI) or another specific measurement standard, though the exact meaning may depend on the device or application definition.
pm25_sht20.get_sht20_humidity()- Retrieves the relative humidity value, expressed as a percentage of relative humidity (%RH). Returns a floating-point number.
pm25_sht20.get_sht20_temperature()- Retrieves the temperature value, measured in degrees Celsius (°C). Returns a floating-point number.
SHT30
pm25_sht30.get_sht30_humidity()- Retrieves the relative humidity value, expressed as a percentage of relative humidity (%RH). Returns a floating-point number.
pm25_sht30.get_num_above_0_3()- Retrieves the number of particles with a diameter greater than 0.3 (2.5/10) micrometers in the air, measured in particles per 0.1 liters of air. Returns an integer value.
pm25_sht30.get_pm1_0_factory()- Retrieves the PM1.0 (PM2.5, PM10) concentration value from the PM2.5 sensor (SHT30).
- PM: Represents particulate matter concentration, usually measured in micrograms per cubic meter (µg/m³).
- ATE: This option typically represents Air Quality Index (AQI) or another specific measurement standard, though the exact meaning may depend on the device or application definition.
pm25_sht30.get_sht30_temperature()- Retrieves the temperature value, measured in degrees Celsius (°C). Returns a floating-point number.