Features:

• Communication interface voltage: 3.3V
• IO Port Package: Inline package, 5P-2.54MM.
• Antenna Type: You should use an external antenna.
• Wireless Network Mode: station / softAP / SoftAP + station
• Wireless criteria: 802.11 b / g / n
• WIFI @ 2.4 GHz, support for WPA / WPA2 security mode
• It is very easy to develop projects with AT command

Application:

• Widely used in networking, smart home project when it is connected to the wifi router.
• It can be used for remote monitoring of home appliances, bedroom temperature and humidity, and controlling home appliances by the mobile phone.

Pin Configuration:

Pinout for the ESP8266 ESP-05 Serial WIFI Module. Operating voltage and current consumption information of the module is included below.

The 5 pin version of the ESP8266 ESP-05 Serial WIFI Module has the following connections on the 5 pin header:

• Reset – active low reset (apply low voltage level to reset), EXT_RSTB pin 32 on ESP8266 chip
• GND – GND or 0V of power supply
• Rx – UART receive pin (3.3V logic level)
• Tx – UART transmit pin (3.3V logic level)
• Vcc – 3.3V power supply Vcc connection

There is an aerial or antennae connector at the top left of the board for an external aerial / antennae.

Package Included:

• 1 x ESP8266 ESP-05 Serial WIFI Module
• 1 x 2.4GHz Antenna
• 1 x U.FL – RP-SMA Cable