Why ESP8266:ESP8266 is a highly integrated chip designed for the needs of a new connected world.It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor.
Four SPI Flash Access es:The ESP8266 support four different SPI flash access es: DIO, DOUT, QIO & QOUT.
Feature: ESP8266 NodeMcu board has powerful on-board processing and storage capabilities, allows to be integrated with sensors and other specific applicated devices through its GPIOs.
Colour: black
Material: PC+metal
Size: 5x3.5cm
Package Contents:
4 * ESP8266 IoT Development Board
Only the above package content, other products are not included.
Note: Light shooting 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.