Sonoff TH

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Sonoff th-old.jpg

Sonoff TH(Temperature Humidity) is a Sonoff version that can monitor real-time temperature and humidity through the APP eWeLink. It supports to preset a temperature and humidity range, when the temperature and humidity of the environment falls into the range, it will automatically turn on or turn off connected devices. This module is perfect to connect with electric fan, air conditioner, humidifier, etc. Please note that this version does not have 433 RF function.

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 home 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, it is safe and globally deployed.

Go shopping Sonoff TH(SKU:IM160315001)

Note: this Sonoff TH is an old version that has stopped selling, please order the latest, powerful version Sonoff TH10/TH16.


  • Support 90~250V AC power supply.
  • Support checking real time temperature and humidity.
  • Support preset temperature and humidity range to turn on/off devices.
  • Support fast configure SSID and password through APP.
  • Support automatic connect to server, register and update status info.
  • Support tracking device status and timely remote control through APP.
  • Support setting single/repeat/countdown timing tasks.

WIFI Characteristics

• 802.11 b / g / n

• Built-in Tensilica L106 ultra-low power consumption 32-bit micro-MCU, dominant frequency support 80 MHz and 160 MHz, support RTOS

• Built-in TCP / IP protocol stack

• Built-in TR switch, balun, LNA, power amplifier and matching network

• Built-in PLL, voltage regulator and power supply management components, 802.11b mode +20 dBm output power

• A-MPDU&A-MSDU aggregation and 0.4μs guard interval

• WiFi @ 2.4 GHz, supports WPA / WPA2 safe mode

• Support cloud OTA upgrade

• Support STA / AP / STA + AP mode


• Deep sleep maintain current is 10 uA, shutdown current is less than 5 uA

• Wake-up, connect and transfer data packets in 2 ms

• Standby power consumption is less than 1.0 mW (DTIM3)

• Other parameters are as follows

Category Parameters Description
Wireless Parameter Wireless standard 802.11 b/g/n
Frequency range 2.4GHz-2.5GHz (2400M-2483.5M)
Hardware Parameter Data port UART/I2C
Operating voltage 3.0~3.6V(recommend 3.3V)
Operating current Average: 80mA
Operating temperature 0ºC-40ºC(32°F-104°F)
Package size 65mm*34mm*16mm
Software Parameter Wireless network mode station/softAP/SoftAP+station
Security mechanism WPA/WPA2
Encryption type WEP/TKIP/AES
Firmware upgration Local serial programming/Cloud Upgrade/Host download programming
Software development Support secondary development
Network protocols IPv4, TCP/UDP/HTTP/FTP
User configuration cloud server, Android/iOS APP


PCB Size 65X34X1.2mm
Interface DHT11
Indicator LED WiFi

Electrical Characteristics

Characteristics Symbol Min Typ Max Unit
Power supply voltage AC 90 - 250 V
Power supply voltage for VDD VDD 3.0 3.3 3.6 V
Operation current for VDD IDD - - 290 mA


Sonoff TH-Hardware.png

Wiring Instruction

Sonoff th wifi switch wiring.jpg

Pin Map

Pin Index Pin Name Description
1 DHT11 Temp.&Hum sensor pin
5 3V3 WIFI power supply


File:Sonoff TH dimension.pdf

File:Sonoff TH Schematic.pdf

File:Sonoff TH view.pdf

Useful Links

User Manual for ITEAD Smart Home Series

eWeLink Step-By-Step Guide