read_once_opcn3.py

from devices.ocpn3 import OPCN3  # import class for data source

import time




def main():



   # instantiate the class with these settings and wake up the device
   item = OPCN3(settings_file="./settings.yaml")
   item.wake()

   # give OPC a chance to collect some data
   time.sleep(5)

   # get the readings
   reading = item.get_particulates()

   print(f"logging {item.gadget_id} t:{reading['temp']}, rh: {reading['rh']}, pms: {reading['pm_01']}, {reading['pm_25']}, {reading['pm_10']}")


if __name__ == '__main__':
   main()