AHT21 temperature and humidity sensor - New generation temperature and humidity sensor with embedded, compact design. - Embedded in a double-row flat lead-free SMD package for reflow soldering; bottom footprint 3 x 3 mm; height 0.8 mm. - Calibrated digital signal in standard I2C format. - ASIC-specific design with an improved capacitive semiconductor moisture sensor element and an enhanced on-chip humidity sensor element. - Reliability exceeds the previous sensor generation. Use cases - Smart home and building automation: monitor ambient conditions to drive HVAC and IAQ control. - Consumer electronics and appliances: compact sensing in air purifiers, refrigerators, and other devices. - Small-footprint embedded sensing: suitable for devices with strict size and packaging constraints. ENS160 digital multi-gas sensor - Digital multi-gas sensor designed for indoor air quality detection. - Provides detection of a variety of gases and VOCs, including toluene, hydrogen, ethanol, NO2. Use cases - IAQ monitoring in smart devices and building automation. - Air purification systems and HVAC monitoring.