Sonoff SC

Overview

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.

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Features

• 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
		GPIO/PWM
	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

Downloads

Sonoff SC Schematic