EngorioEngorio.in
Chapter 11

Environmental sensors

5 min read6 sections
In this chapter · 6 sections
  1. Temperature and humidity
  2. Gas sensors: the MQ series
  3. Air quality: CO2, VOCs and dust
  4. Soil, water and rain
  5. Light, UV and colour
  6. Pressure, altitude and weather

Environmental sensors measure the air, water, soil and light around a device. For most projects, a DHT22 or BME280 covers climate, an MQ sensor gives a gas alarm, and a capacitive probe handles soil moisture.

Environmental sensors measure the air, water, soil and light around a device. For most projects, a DHT22 or BME280 covers climate, an MQ sensor gives a gas alarm, and a capacitive probe handles soil moisture.

Unlock this chapter with any paid project, from ₹109

Buy any paid project on Engorio and every Encyclopedia chapter, the glossary, the calculators and the PDF unlock on your account. Free trial projects don't count.

Browse projectsLog in to read