About This

• Comprehensive Indoor Air Quality Monitoring - Combines ENS160 multi-gas sensing (TVOC, eCO2, AQI) and AHT21 precision temperature/humidity detection for holistic environmental analysis.
• Wide Gas Detection Range - ENS160 identifies volatile organic compounds (VOCs: toluene, hydrogen, ethanol, NO2, ozone) with 4 MOX sensor elements, outputting 0–65535ppb TVOC and eCO2 values for air quality assessment.
• High-Accuracy Environmental Sensing - AHT21 delivers ±0.3°C temperature (0.01°C resolution) and ±2%RH (25°C) humidity (0.024%RH resolution) in a compact 3x3mm SMD package, ideal for harsh environments (-40°C to +120°C, 0–100%RH).
• Dual Interface & Low Power - Supports I2C (standard for AHT21) and SPI/I2C (ENS160) for flexible integration; ENS160 operates on 1.71–1.98V (core), 1.71–3.6V (IO); AHT21 works with 2.0–5.5V for broad microcontroller compatibility.
• Fast Startup & Diverse Applications - ENS160 preheats in <1 minute, startups in <1 hour; suited for HVAC, air purifiers, smart homes, industrial control, and medical devices, with rugged operation across -40°C to +85°C (ENS160) and -40°C to +120°C (AHT21).