ESP-13 (ESP8266) Serial Wifi Transceiver Module

ESP-13 is a tiny, low power, flexible wifi module

Surface mount ESP8266 module with metal shield and all pins broken out to castellated pads.

Available pins:

• UART RX/TX
• 9 GPIO pins: GPIO0, GPIO2, GPIO4, GPIO5, GPIO12, GPIO13, GPIO14, GPIO15, GPIO16
• 1 analog pin (TOUT/ADC pin)
• RESET
• Powerdown (EN/CH_PD pin)
• VCC (3v), GND

Overall size is 18mm wide by 20mm long.

ESP8266 documentation: 

• ESP8266-Wiki
• NodeMcu (Lua interpreter for ESP8266)
• MQTT library for the ESP8266

 Features:

 - Communication interface voltage: 3.3V;

 - Design enhancements: With a new 4-layer design, compared to the previous 2-layer board, stability, anti-interference ability and quality is better;

 - IO Port Package: SMD available, and the pin pitch is 1.5mm;

 - Antenna Type: Built-in PCB antenna is available ;

 - Wireless Network Mode: station / softAP / SoftAP + station;

 - Wireless criteria: 802.11 b / g / n;

 - Wi-Fi @ 2.4GHz, support for WPA / WPA2 security mode;

 - It is very easy to develop projects with AT command;

 Application: Home automation, sensor networks, industrial wireless control.