def main():
# Give a qualitative meaning to the value from the sensor
def airQuality(value):
if(value < 50): return "Fresh Air"
if(value < 200): return "Normal Indoor Air"
if(value < 400): return "Low Pollution"
if(value < 600): return "High Pollution - Action Recommended"
return "Very High Pollution - Take Action Immediately"
# New Grove Air Quality Sensor on AIO pin 0
airSensor = TP401.TP401(0)
# Wait for sensor to warm up
print "Sensor is warming up for 3 minutes..."
for i in range (1, 4):
sleep(60)
print i, "minute(s) passed."
print "Sensor is ready!"
# Loop indefinitely
while True:
# Read values (consecutive reads might vary slightly)
value = airSensor.getSample()
ppm = airSensor.getPPM()
print "raw: %4d" % value , " ppm: %5.2f " % ppm , airQuality(value)
# Sleep for 2.5 s
sleep(2.5)
from time import sleep
import pyupm_gas as TP401
# Give a qualitative meaning to the value from the sensor
def airQuality(value):
if (value < 50): return "Fresh Air"
if (value < 200): return "Normal Indoor Air"
if (value < 400): return "Low Pollution"
if (value < 600): return "High Pollution - Action Recommended"
return "Very High Pollution - Take Action Immediately"
# New Grove Air Quality Sensor on AIO pin 0
airSensor = TP401.TP401(0)
# Wait for sensor to warm up
print "Sensor is warming up for 3 minutes..."
for i in range(1, 4):
sleep(60)
print i, "minute(s) passed."
print "Sensor is ready!"
# Loop indefinitely
while True:
# Read values (consecutive reads might vary slightly)
value = airSensor.getSample()
ppm = airSensor.getPPM()