module: with a small and convenient size, this development board based on ESP-12F ESP8266, can help your project save space WIFI development board: on-board 5V 1A switching power supply, 4M bytes Product parameter: this board contains 11 digital input and output pins, all pins have interrupt, PWN, I2C, 1-wire (except D0) and a micro-USB connection; 1 input (under 3.2V), which compatible with for ; 500mA resettable fuse Product features: this internet development board is nicely suitable for , and can be programmed for the IDE and support OTA online Specifications: Size: 34 x 25 x 7 mm/ 1.33 x 0.98 x 0.28 inch How to get started: Set up driver: before you use the development board, you need set up CH340g driver. Installing Hardware package: There is 2 ways to install hardware package, boards manager or . Colour: as shown Material: ABS Package Contents: 10 x Development Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.