Sonoff Smart Home Solution

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Home automation is "The Internet of Things". The way that all of our devices and appliances will be networked together to provide users with a seamless control over their home equipment.

Sonoff is a cost effective, smart home solution which is designed and produced by ITEAD. It is a low-cost solution that helps you to step into the amazing smart home. Sonoff smart home series are based on WiFi that can connect to appliances of different types and brands. Sonoff transmits data to a cloud platform through the WiFi router, which enables customers to remotely control all the connected appliances, via the iOS/ Android mobile application eWeLink. eWeLink server is Amazon AWS global server.

ITEAD smart home solution makes all your home appliances smart, as long as your phone has network, you can remotely control your appliances from anywhere at any time. And by setting different timing schedules for your appliances, you can maintain a carefree life.

Different Sonoff versions have different functions. But have some basic functions in common:

  • Remote turn on/off devices
  • Track devices status
  • Device status timely feedback to the APP
  • Set single/repeat/countdown timing schedules
  • One-key sharing device

Ewelinkappdownload.jpg Sonoff and Slampher Global Cloud Server.jpg

View ITEAD Smart Home User Guide to get start ITEAD smart home device.

Download the APP eWeLink iOS version in Apple App Store or Android version in Google Play. The firmwares will be updated from time to time.

Scan below QR code to download eWeLink:

QR Code for iOS eWeLink.png        QR Code for Android eWeLink.png

Selection Table

Product Name Feature Input Voltage Max Current Max Power Wireless Frequency Datasheet Shopping
Sonoff smart switch 90~250 AC 10A 2200W 2.4Ghz Click Click
Sonoff RF 433 RF remote smart switch 90~250 AC 10A 2200W 2.4Ghz Click Click
Sonoff SV Low voltage input smart switch 5~24V DC 10A 240W DC 2.4Ghz Click Click
Sonoff TH Smart switch- monitor and preset temperature & humidity 90~250 AC 10A 2200W 2.4Ghz Click Click
Slampher Smart light holder 90~260 AC 2A 200W 2.4Ghz Click Click
S20 Smart Socket-EU/US/UK WiFi smart socket 100~250 AC 10A 2000W 2.4Ghz Click Click
Sonoff TH10/TH16 Monitor and preset temp.& hum. to turn on/off 90~250 AC 10A/16A 2000/3500W 2.4Ghz Click Click
Sonoff Dual 2-channel control 90~250 AC 16A 3500W 2.4Ghz Click Click
Sonoff Pow Report power and power usage 90~250 AC 16A 3500W 2.4Ghz Click Click
Sonoff SC Monitor indoor environment usb 5v 80mA .4W 2.4Ghz Click Click
Sonoff 4CH 4-channel WiFi Switch 90~250 AC 10A 220W 2.4Ghz Click Click


Note: the APP keeps upgrading, and the UI keep changing. We may not update the APP instruction timely, please understand.



User Manual for Sonoff & Slampher

Wi-Fi Socket/Switch Fail to be Controlled Troubleshooting

Features wanted, bug report and discuss in Itead Smart Home Forum

eWeLink Introduction


eWeLink is a smart home control APP that can control all ITEAD home automation devices and cooperated products. With eWeLink, users can control and manage more than hundred smart home devices of 80 brands. After adding the smart home devices to the account, users can control the devices through accessing to Coolkit’s WeChat subscription account or adding widget to mobile desktop later on.

View more details


  • Why the schematic shows 5 pins and the device I I receive has 4 pins?

The old version Sonoff has 4 pins, while the new version has 5 pins. And what you are using are the old version.

  • What are the additional exposed pins at the top of the board?

Answer: those pins are reserved for 433 RF receiver module.

  • What is the interaction between the ESP8266 and the microcontroller and the 433Mhz radio?

Sonoff control MCU or ESP8266.jpg

  • What is the logic of the button?

Answer: low active

  • It looks like the button is connected to the microcontroller and possibly also the firmware/flash pin

Answer: sonoff RF(with 433 RF receiver module) button connect to microcontroller, while sonoff (without 433 RF receiver module) button connect to ESP8266 and common use with firmware/flash pin.

  • What is the purpose of the PWM1 connection

Answer: it connects to LED, which can indicate WiFi state.

More other questions please refer to Smart Home FAQs


Smart Home Review Collections

Related Downloads

RoHS and CE Certificate and Reports for Sonoff TH10/TH16, Sonoff Pow, Sonoff Dual:

RoHS Certificate for Sonoff Series

CE Certificate for Sonoff Series

CE-LVD Report-Sonoff Series

CE-RF Report EN300328-Sonoff Series

RoHS Consolidated Test Report-Sonoff Series

CE-EMC Test Report-Sonoff Series

CE-EMF EN 62311 Test Report-Sonoff Series

Certificate of Registration:

Sonoff EUIPO Certificate of Registration