marw

import time
import argparse
import multiprocessing
import random

import numpy as np

M = 250
# size ~ 0.5MB
X = np.random.randn(M, M)

marw

import time
import logging

try:
    import serial
except ImportError:
    print('Python serial library required, on Ubuntu/Debian: ' +
          'apt-get install python-serial python3-serial')
    raise

marw

#!/usr/bin/env python3

"""
Get reading from Nova PM Sensor SDS011
(dust sensor, air quality sensor, PM10, PM2,5)

Designed to run from cron and append CSV file.

Script tested using Python3.4 on Ubuntu 14.04.