Sonoff Si7021 Temperature and Humidity Sensor is a digital temperature and humidity sensor with a calibrated digital signal output. It adopts dedicated digital module acquisition technology and temperature&humidity sensing technology to ensure that the sensor has a very high reliability and excellent long-term stability. The sensor includes an integrated single-chip temperature and humidity sensor chip, which connects to a high-performance 8-bit MCU. The Si7021 sensor has advantages such as excellent quality, ultra-fast response, anti-interference ability and cost-effective. The sensor has 2.5mm 4-pole stereo audio male plug connector, which works perfectly with Sonoff TH10/TH16.
Precision Relative Humidity Sensor: ± 3% RH (max), 0–80% RH High Accuracy Temperature Sensor: ± 0.4°C (max), –10 to 85°C 0 to 100% RH operating range Up to –40 to +85°C operating range Wide operating voltage (2.2 to 3.6 V) Low Power Consumption Factory-calibrated Excellent long term stability
Relative humidity and temperature measurement All calibrated, digital output Good long-term stability No additional parts require Ultra-low energy consumption The sensor is fully interchangeable