Sonoff Dual

Overview

Sonoff Dual is a 2-channel WiFi wireless switch that can connect and control two home appliances and electronic devices. This means 1 Sonoff Dual has combined 2 Sonoff basic switches! Sonoff Dual inherites Sonoff Basic switch’s advantages such as easy installation and operate, quick WiFi access, APP remote control.

In the APP EweLink for iOS and Android, you can independently turn on/off each of the two connected devices. But the button on Sonoff Dual is not an ON/OFF switch, it is only for long press to enter WiFi pairing state. You can set single/repeat/countdown timing schedules to turn on/off at a specified time, share to others so that they can control together.

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Features

• Support 90~ 250V AC input
• Max. input current:16A(2 devices),10A(1 device)
• Max. power: 3500W(2 device)/2200W(1 device)
• Independently control connected devices in APP
• Support fast configure SSID and password connection through APP
• Support auto-connect to server, register and update status info.
• Support tracking device status and timely remote control through APP
• Support setting countdown, single and repeat timing tasks

Wiring Instruction

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

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

• Operating temperature range: -40 ℃ - 125 ℃

• 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
		GPIO/PWM
	Operating voltage	3.0~3.6V(recommend 3.3V)
	Operating current	Average： 80mA
	Operating temperature	-40°~125°
	Storage temperature	Room temperature
	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

Specification

PCB_Size	89.1X45.0X1.2mm
Indicator LED	WiFi, on or off state

Electrical Characteristics

Characteristics	Symbol	Min	Typ	Max	Unit
Power supply voltage	AC	90	-	250	V
IMAX				10/16	A
POWER(10A/16A)		-	2200/3500		W

Hardware

Downloads

File:Sonoff Dual View.pdf

File:Sonoff Dual Schematic.pdf

Useful Links

User Manual for ITEAD Smart Home Series

Wi-Fi Socket/Switch Fail to be Controlled Troubleshooting

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