Sonoff 4CH

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Overview

Sonoff 4CH 06.jpg

Sonoff 4CH is an ESP8285 WiFi module based 4 channel (4-way) WiFi wireless switch. Sonoff 4CH supports to connect and control 4 home appliances, which can be turned on/off separately by the buttons or iOS and Android APP EweLink.Owning a Sonoff 4CH means you have 4 Sonoff basic WiFi switches integrate together.

Sonoff 4CH belongs to Sonoff family, definitely, it bears all the functions basic Sonoff has. In EweLink, you can remote turn on/off from anywhere at any time, set single/repeat/countdown timing schedules to turn on/off at a specified time, share to others so that they can control together.

Sonoff 4CH is hacker-friendly! You can flash external firmware! On the left side, there is ports reserved to support solder a PJ-218A audio jack. The audio jack support 3 types of temperature and humidity sensors (AM2301, DS18B20, DHT11). The APP interface will display the real-time temperature and humidity.

Go shopping Sonoff 4CH(SKU:IM160913003)

Features

  • Support independently turn on/off 4 home appliances
  • Support to control home appliances by local toggle buttons or APP
  • Support tracking device status and timely remote control through APP
  • Support countdown timing and schedule timing
  • Support one-key sharing device to other user

Electrical Characteristics

  • Voltage range: 90-250v AC(50/60Hz)
  • Max current: 10A
  • Max Wattage: 2200 watts
  • Humidity: 5%-95%
  • Wireless Frequency: 2.4Ghz
  • Working Temp: ﹣20℃-75℃
  • Max soldering temperature: 260℃

Wiring Instruction

Sonoff-4CH ports.jpg

L-In: Input LIVE L1,L2,L3,L4 port respectively connects to LIVE of channel 1, channel 2, channel 3, channel 4. You can randomly connects to any of the five N port and 5 GND port for your device.

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
PCBA size 122.2*87.2*1.2mm
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

PCBA Size:122.2*87.2*1.2mm

Product Size: (L)14.5*(W)9.5*(H)4cm

Hardware

Sonoff 4CH hardware.png

Download

File:Sonoff 4CH.SCHMATIC.pdf

File:Sonoff 4CH PCB.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