Sonoff Sensor Si7021

Overview

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.

Features

• Relative humidity and temperature measurement
• All calibrated, digital output
• Good long-term stability
• No additional parts required
• Ultra-low energy consumption
• The sensor is fully interchangeable

Electrical Characteristics

Rated Parameters

Parameter	Symbol	Min	Typ	Max	Unit
Voltage input	VCC	2.2	3.3	3.6	V
Operating temp.	Ta	-40	-	+85	℃
Storage temp.	Ta	-65	-	+150	℃