Skills021: Learn Skills from Zero to One
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An outdoor environmental sensor mounted on a pole against a cloudy sky

Air‑quality monitor

Measures PM2.5 and CO₂ indoors, colours an LED by air quality and uploads readings to the cloud.

₹4,999Ships in 5 days
For
B.Tech
Built with
NodeMCU, PM2.5 sensor, ThingSpeak

Included

  • Assembled, tested hardware
  • Source code
  • Circuit diagram
  • Report and slides
  • Code walkthrough and viva prep
Enquire about this project

What you’ll learn

  • Read PM2.5 and CO₂ sensors and convert raw values
  • Map readings to colour bands on an LED
  • Upload data to ThingSpeak and read it back as charts

Before you start

C or C++ basics and simple serial communication.

Not included

  • Features beyond the brief, which we quote separately
  • Travel or setup at your school or college
  • A promised grade, award or academic approval

How ordering works

Hardware, delivery and any custom changes are confirmed before you pay.

  1. 1Enquire

    Tell us your class or year, and any changes you need.

  2. 2Confirm

    We send a final quote, including hardware, before you pay.

  3. 3Build and test

    We assemble the project and test every part.

  4. 4Walkthrough

    A mentor takes you through the code so you can explain it.

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