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Building @quant-aq
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Building @quant-aq

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dhhagan/README.md

Hi, I'm David! ๐Ÿ‘‹

I'm a software engineer with a background in chemical engineering and aerosol chemisty and physics. I'm currently the CEO of QuantAQ - we build low-cost, professional-grade air quality sensors to supplement existing regulatory monitoring networks.

whoami

  • I'm originally from the Bay Area (Napa, CA) and currently reside in Cambridge, MA
  • I completed undergrad degrees in Chemical Physics (Hendrix College, AR) and Chemical Engineering (WashU, MO), and a PhD in Atmospheric Chemistry and Physics (MIT, MA)
  • I love baseball (Go Giants!)

๐Ÿก Location

I currently reside in Cambridge, MA and can often be found in one of the many coffee shops around (Broadsheet and Gracenote are favorites).

Previously, I've lived in:

  • Napa, CA
  • Conway, AR
  • Thousand Oaks, CA
  • St. Louis, MO
  • Ann Arbor, MI
  • Cambridge/Somerville, MA

I also spent a fairly significant chunk of time in India (mostly Delhi, Mumbai) during my PhD, though in 2-4 week chunks.

๐Ÿ“ฑ Contact

It is easiest to reach me via email at the address listed on my profile. For air quality-related inquiries, you can also reach out to QuantAQ directly at hello@quant-aq.com.

code

I write a lot of software. I mostly work in Python and C++ and spend most of my time these days across a number of various areas including front-end, back-end, architecture, devops, and embedded software. In addition to writing code, I spend a good chunk of time designing the electrical and mechanical components that comprise QuantAQ's product line.

Pinned Loading

  1. opcsim opcsim Public

    opcsim is a python package for simulating low-cost optical particle sensors

    Python 15 2

  2. atmospy atmospy Public

    visualization and analysis tools for air quality data in python

    Python 11 4

  3. quant-aq/py-smps quant-aq/py-smps Public

    Python library for the analysis and visualization of data from a Scanning Mobility Particle Sizer (SMPS) and other similar instruments (SEMS, OPC's).

    Python 34 13

  4. py-opc py-opc Public

    Python wrapper for the Alphasense OPC-N2 built around py-spidev

    Python 30 26

  5. opcn2 opcn2 Public

    C++ Library for the Alphasense OPC-N2 particle counter

    C++ 15 9

  6. py-openaq py-openaq Public

    Python wrapper for the Open AQ API

    Python 64 10