Short info

Main Features

  • Operating voltage: DC 3.1 – 5.5V
  • Temperature: resistive sensor
  • Temperature range: -40° – 80° C
  • Accuracy: 25° C
  • Humidity: capacitive sensors
  • Moisture measurement range: 0 – 99.9 percent RH
  • Accuracy: + / – 3 percent RH ( 10 – 90 percent RH ) at 25° C
  • Output signal: single
  • Line length: 0.5 meters
  • Sensor housing specifications: 55.0 x 27.0 x 13.0mm ABS plastic
  • Interface: 2.5 mm audio interface

250.00 EGP

Out of stock


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.

Product Advantage:

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

Package included:

1 x Si7021 Temperature Humidity Sensor

Sonoff Sensor Si7021 Specification:

  • 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



There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

© Copyright 2021- Smart Falcon - Website Design and Powered by ITDSP