ESP8266 WIFI Serial Dev Kit Development Board ESP-13 Test Wireless Board

1.Support 802.11 b/n/g wireless standards;
2.Independent development, MCU platform
3.Support the UART/GPIO data communication interface;
4.Support the STA/AP/STA + AP coexistence working mode;
5. support SmartLink intelligent networking (APP);
6. support wireless upgrade firmware;
7.Support WPS, networking configuration;
8.built-in on-board antenna;
9. temperature and humidity;
10.RGB trichromatic lamp, adjustable;
11. provide a rich AT instruction set configuration;
12.free AiCloud cloud services available for debugging;
13. 3 AA batteries/ 5 v adapter power supply (battery not included) ;
14.Size: 61.6 mm x 56.2 mm;
  A GPIO, PWM, I2C, 1 - Wire, ADC, etc, combined with cloud firmware   for your prototype development to provide the most rapid way.