Skip to main content

Python driver for Honeywell Midas gas dectectors.

Project description


Python ≥3.5 driver for Honeywell Midas gas detectors.


pip install midas


Command Line

To test your connection and stream real-time data, use the command-line interface. You can read the state with:

$ midas

This will output a JSON object which can be further manipulated. See below for object structure.


For more complex behavior, you can write a python script. This solely uses Python ≥3.5's async/await syntax.

import asyncio
from midas import GasDetector

async def get():
    async with GasDetector('') as detector:
        print(await detector.get())

If the detector is operating at that address, this should output a dictionary of the form:

  'alarm': 'none',             # Can be 'none', 'low', or 'high'
  'concentration': 0.0,        # Current gas concentration reading
  'connected': True,           # Monitors heartbeat for connection
  'fault': {                   # Fault data, when applicable
    'code': 'F39',
    'condition': 'User has generated a simulated fault.',
    'description': 'Simulated fault',
    'recovery': 'Reset simulated fault.',
    'status': 'Instrument fault'
  'flow': 514,                 # Flow rate, in cc / minute
  'high-alarm threshold': 2.0, # Threshold concentration for high alarm trigger
  'ip': '',       # IP address of connection, can be used to link to Honeywell's own web interface
  'life': 538.95,              # Days until cartridge replacement required
  'low-alarm threshold': 1.0,  # Threshold concentration for low alarm trigger
  'state': 'Monitoring',       # Can be any option in `gas_detector.monitoring_status_options`
  'temperature': 26,           # Detector temperature, in celsius
  'units': 'ppm'               # Units for concentration values

Project details

Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Filename, size & hash SHA256 hash help File type Python version Upload date
midas-0.3.5-py2.py3-none-any.whl (15.5 kB) Copy SHA256 hash SHA256 Wheel py2.py3
midas-0.3.5.tar.gz (7.3 kB) Copy SHA256 hash SHA256 Source None

Supported by

Elastic Elastic Search Pingdom Pingdom Monitoring Google Google BigQuery Sentry Sentry Error logging AWS AWS Cloud computing DataDog DataDog Monitoring Fastly Fastly CDN SignalFx SignalFx Supporter DigiCert DigiCert EV certificate StatusPage StatusPage Status page