18 lines
458 B
Python
18 lines
458 B
Python
import time
|
|
import board
|
|
import busio
|
|
import adafruit_ccs811
|
|
|
|
i2c_bus = busio.I2C(board.SCL, board.SDA)
|
|
ccs811 = adafruit_ccs811.CCS811(i2c_bus)
|
|
|
|
# Wait for the sensor to be ready and calibrate the thermistor
|
|
while not ccs811.data_ready:
|
|
pass
|
|
temp = ccs811.temperature
|
|
ccs811.temp_offset = temp - 25.0
|
|
|
|
while True:
|
|
print("CO2: %1.0f PPM, TVOC: %1.0f PPM, Temp: %0.1f C" %
|
|
(ccs811.eco2, ccs811.tvoc, ccs811.temperature))
|
|
time.sleep(0.5)
|