ESP8266 WiFi module
1.Description
ESP8266 is an ultra-low power URAT-WiFi transmission module. It has industry highly competitive package size and ultra-low power technology. This module specially designs for mobile device and IOT applications which can connect physical device of users to wireless Internet, and then work for Internet or LAN communication achieve the networking functions.
ESP8266 has a variety of packaging way, and the antenna can support PCB board antenna, IPEX interface and stamp hole interface. ESP8266 uses widely in fields of smart grid, smart transportation, smart furniture, hand hold device, industry control etc.
2.Features
◆ Support wireless 802.11 b/g/n standard
◆ Support three modes of operation STA/AP/STA+AP
◆ Built in TCP/IP protocol stack, support multiple TCP Client connection
◆ Support rich Socket AT instruction
◆ Support UART/GPIO data communication interface
◆ Support Smart Link intelligent networking function
◆ Built in 32 bit MCU, can be used as the application processor
◆ Ultra-low power, suitable for battery powered application
◆ 3.3V single power supply
◆ Transmission distance 40m
3.Specification
Types |
Parameter |
Value |
Wireless Parameter |
Wireless Standard |
IEEE 802.11b/g/n |
Frequency Range |
2.412GHz-2.484GHz |
Transmit power |
802.11b: +16 +/-2dBm (@11Mbps) |
802.11g: +14 +/-2dBm (@54Mbps) |
802.11n: +13 +/-2dBm (@HT20, MCS7) |
Receiver Sensitivity |
802.11b: -93 dBm (@11Mbps ,CCK) |
802.11g: -85dBm (@54Mbps, OFDM) |
802.11n: -82dBm (@HT20, MCS7) |
Antenna Form |
External:Stamp hole interface |
External:I-PEX connector、SMA connector |
Internal:PCB board antenna |
Hardware Parameter |
Data Interface |
UART,IIC,PWM,GPIO,ADC |
Working Voltage |
3.3V |
Working Current |
Continuous transmission=>
Average value:~70mA, Peak: 200mA
Normal mode=>
Average: ~12mA, Peak: 200mA
Standby:<200uA, |
Working Temp |
-40℃~125℃ |
Storage Temp |
Temp:<40℃,Relative humidity:<90%R.H. |
Dimensions and Size |
17.9mm*16.4mm*1mm |
Serial Transmission |
Transmit Rate |
110-921600bps |
TCP Client |
5 |
Software Parameter |
Wireless Network Type |
STA/AP/STA+AP |
Security Mechanisms |
WEP/WPA-PSK/WPA2-PSK |
Encryption Type |
WEP64/WEP128/TKIP/AES |
Firmware Update |
Flash welding under the direct burning |
Network Protocol |
IPv4, TCP/UDP/FTP/HTTP |
User Configuration |
AT+instruction set, Web page Android/iOS terminal, Smart Link intelligent configuration APP |
4.Main Functions
1.Serial Transmission: Data transmission, good transmission reliability, maximum transmission rate is 460800bps.
2.PWM control: Light control, three color LED control, the motor control speed, etc.
3.GPIO control: Control switch,the relay, etc.
5.Application ◆ Serial CH340 to Wi-Fi
◆ Industry transmission DTU
◆ Wi-Fi remote monitoring/control
◆ Toy field
◆ LED control
◆ Fire protection and security protection intelligent integration management
◆ Smart card terminal, wireless POS machine, Wi-Fi camera, hand hole device etc.
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