Data Sheet

!
2. Functional Description"
•
Boot Button
Download button. Holding down the Boot button and pressing the EN button initiates
the firmware download mode. Then users can download firmware through the serial
port.
•
Micro USB Port
USB interface. It functions as the power supply for the board and the communication
interface between PC and the board.
•
EN Button
Reset button. Pressing this button resets the system.
•
I/O Connector
All of the pins on the ESP8266 module are broken out to the female pin headers on
the board. Users can program ESP8266 to enable multiple functions. For details,
please refer to ESP8266EX Datasheet.!
Espressif
! /93
2018.09