Quantified Self: CMS50 Oximeter

After attending a couple of Quantified Self meetups, I was inspired to quantify various aspects of myself and my life.  For example, I was wondering if I am breathing well while I sleep, since I have been waking up tired on occasion.

I bought the Contec CMS50-F oximeter from here.

The software that comes with the CMS50 could be more reliable and user-friendly, and only runs on Windows.  I ended up spending a day  reverse engineering the USB protocol and writing a Python program to acquire and graph the data.  The software is on Gitorious.

Here are some of the charts you can get:

2 Responses to Quantified Self: CMS50 Oximeter

  1. zoe says:

    you rock!

  2. Anton Maier says:

    Hi, is it possible to read out the files on this device? your software is awesome.

Leave a Reply

Name and Email Address are required fields. Your email will not be published or shared with third parties.