Sonoff SC

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Sonoff SC 01.JPG

Sonoff SC is an ESP8266 based WiFi environmental monitor device. It detects current temperature, humidity, light intensity, air quality (particulate), and even sound levels (noise pollution), and directly send realtime data to iOS/Android APP EWeLink.

Go shopping Sonoff SC (SKU:IM161129002 )


  • Power supply: micro USB 5V

Display realtime environment around:

  • Realtime temperature(0-100℃) and humidity(%)
  • Light level: dusky, normal, bright
  • Air quality: bad, moderate, unhealthy
  • Sound level: quiet, normal, noisy

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

Electrical Characteristics

Parameter Condition Min Type Max Unit
Storage temp. -40 Room temp. 125
Max solder temp. IPC/JEDEC J-STD-020 260
Working volt. 3.0 5 5.5 V
Working current - 80 110 mA


Sonoff SC Schematic

Hack Sonoff SC

Useful Link

User Guide for Sonoff SC