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Latest commit 79c2dfa Jan 16, 2017

This is a Tornado project reading from MCP3008 ADC using raspberry pi. There is an MQ135 sensor on channel 0, an MQ138 on channel 1, and a Sharp dust sensor on channel 2. More information/documents can be found on the blog post.


  • Need to first enable by running sudo raspi-config.
  • Python requires package spidev.
  • Example: link


  • Tested on Raspbian
  • Use to install dependencies.
  • Use to launch.
  • Visit http://<YOUR PI IP>:5000/ to check the visualization.