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7Semi ENS160 Air Quality Sensor Breakout Board with VOC & eCO₂ Sensing

7Semi ENS160 Air Quality Sensor Breakout Board with VOC & eCO₂ Sensing

₹1,032.00Price
 
🔍 What this module is
The 7Semi ENS160 Air Quality Sensor Breakout Board is an advanced indoor air quality (IAQ) sensor that measures:
  • 🌫️ VOC (Volatile Organic Compounds)
  • 🫁 eCO₂ (equivalent CO₂)
  • 🌡️ Air Quality Index (AQI)
  • 💨 TVOC (Total VOCs)
👉 It gives a complete picture of indoor air quality in real time
🧠 Important Concept (VERY IMPORTANT)
👉 This sensor does NOT measure real CO₂
Instead:
  • It estimates eCO₂ based on VOC levels
➡️ So:
  • Good for air quality trends
  • Not for accurate CO₂ measurement (use SCD40 for that)
⚙️ Key Specifications
  • Sensor IC: ScioSense ENS160
  • Interface: I²C / SPI
  • Operating Voltage: ~3.3V
  • eCO₂ Range: 400 ppm – 65,000 ppm
  • TVOC Range: 0 – 65,000 ppb
  • Temperature Range: -40°C to +85°C
  • Humidity Range: 5% – 95% RH
  • I2C Address: 0x52 / 0x53 (selectable)
⚡ What it can detect
This sensor can detect gases like:
  • Alcohol
  • Smoke
  • Breath (CO₂ indirectly)
  • Chemicals (cleaning agents, perfumes)
➡️ Basically indoor pollution level
⚙️ Working Principle
  • Uses MOX (Metal Oxide) gas sensing
  • Gas changes resistance of sensing element
  • Internal processor converts it into:
    • AQI
    • eCO₂
    • TVOC
👉 Built-in algorithms handle:
  • Temperature compensation
  • Humidity compensation
  • Baseline correction
🔌 Pinout
  • VCC → 3.3V
  • GND → GND
  • SDA → I2C Data
  • SCL → I2C Clock
🧠 Key Features
  • ✔️ Multi-parameter air quality sensing
  • ✔️ Built-in smart processing (less coding)
  • ✔️ Fast response
  • ✔️ Compact & IoT-friendly
  • ✔️ Works with Arduino, ESP32, Raspberry Pi
💡 Applications
  • 🏠 Smart home air monitoring
  • 🌬️ Air purifiers
  • 🏢 HVAC systems
  • 📊 Indoor environment logging
  • 🧠 Smart ventilation control
⚠️ Important Notes (VERY IMPORTANT)
❗ 1. Warm-up time
  • Needs few minutes initially
  • Full accuracy may take longer
❗ 2. Needs temperature + humidity compensation
👉 For best results:
  • Use with sensors like:
    • SHT40
    • BME280
➡️ Improves accuracy significantly
❗ 3. Heating effect
  • Sensor has internal heater
  • Can slightly raise nearby temperature
👉 Keep away from temp sensor
❗ 4. Not outdoor-grade
  • Designed mainly for indoor air quality
🆚 ENS160 vs Other Air Sensors
SensorMeasuresAccuracyNotes
MQ135Gas (basic)LowAnalog, noisy
CCS811VOC + eCO₂MediumOlder
ENS160VOC + AQI + eCO₂⭐ HighSmart processing
SCD40Real CO₂⭐⭐⭐ Very highExpensive
👍 When to use this
Use ENS160 if you want:
  • Smart indoor air monitoring
  • HVAC automation
  • IoT air quality system
  • Pollution detection
👎 When NOT to use
Avoid if:
  • You need true CO₂ measurement
  • Outdoor pollution monitoring
  • Industrial gas detection
🧠 Final Understanding
👉 This sensor = “smart air quality analyzer (VOC-based)”
👉 Not a simple gas sensor — it gives processed AQI data directly
Quantity
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