Sonoff Si7021

SONOFF Si7021 Wi-Fi temperature and humidity sensor

The digital temperature and humidity sensor with a calibrated digital signal output.

Adopt dedicated digital module acquisition technology and temperature and humidity sensing technology

to ensure that the sensor has very high reliability and excellent long-term stability.

Includes an integrated single-chip temperature and humidity sensor chip, which connects to a high-performance 8-bit MCU.

Si7021 sensor has advantages such as excellent quality, ultra-fast response, anti-interference ability.

The sensor works perfectly with Sonoff TH10 TH16

Features :

• Relative humidity and temperature measurement
• All digital outputs calibrated
• Good long-term stability
• No additional parts are needed
• Very low energy consumption

Note : if you already own a Sonoff Si7021 sensor and want to use it with a

new TH ELITE or TH ORIGIN , you can buy SONOFF AL010 RJ9 adapter .