Sonoff Si7021 is a digital temperature and humidity sensor with a calibrated digital signal output. The sensor includes an integrated single-chip temperature and humidity sensor chip, which connects to a high-performance 8-bit MCU. 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.
This package does not include Sonoff TH10 & TH16 Temperature And Humidity Monitoring WiFi Smart Switch. Buy any of the TH-10 or TH-16 separately on the links below;
The sensor should be plugged before power on. It is not advised to plug or unplug the sensor in power-on state.
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, S22 Socket.
- Temperature Measuring Range: –40℃~+85°C
- Humidity Measuring Range: 0~100%RH
- Storage Temp.: –65℃~+150°C
- Operating Voltage: 2.2-3.6V
- Weight: 26g
- Length: 0.5m