![]() Once this is done, you should have an option under Tools→ Board for a ESP8266 Boards.Under Tools → Boards → Boards Manager, Search for ESP8266 and install latest version of “ESP8266 by ESP8266 Community”.In File → Preferences, add a url to the Additional Boards Manager:.A search of “program ESP8266 from Arduino IDE” will provide many results. There are numerous articles on the Internet explaining how to do this. All other offīefore programming the ESP8266, you have to ensure that the Arduino IDE you are using is configured to do this type of programming. Mode 2 - USB to ESP Prog - SW5, SW6, SW7 on. The board has a legend showing the switch settings The DIP switch settings for these modes in the tableĭIP Switch settings for various modes. Hence there are two separate modes for the ESP8266 switching SW7 on grounds GPIO0. The ESP8266 requires that GPIO0 is pulled to ground while programming, a requirement not applicable to the ATMega328. ![]() The voltage difference between the Arduino and ESP8266 is taken care of in the board. Mode 4 – ATMega328 and ESP8266 serial connected together, allowing for serial communication between the two devices.Mode 3 – USB Serial connected to ESP8266 for serial communication.Mode 2 – USB Serial connected to ESP8266 for programming.Mode 1 – USB Serial connected to ATMega328 for both programming and serial communication. ![]() The mode switch allows for four possible settings Communication between the ATMega328 and the ESP8266 is via the serial lines and utilizes the well known Serial libraryĬrucial to the operation of the board is the Mode Selection switch, consisting of a 8 switch DIP mounted in the center of the board.As there are two processors incorporated on the board, a greater range of processing power is available.It allows for easy implementation of WiFi communication in Arduino projects.The different voltage levels are built into the board and become transparent to the User.The Arduino pin out allows for connection of many of the Arduino shields available.It seems that this specific board has several advantages over similar solutions (specifically the WeMos D1 board) If greater range is required, provision is made for connecting an external antenna The board includes a small WiFi antenna.The header pin out is standard Arduino this allows any Arduino compatible shield to be connected to this development board.The Reset button resets both the ESP 8266 and ATMega328. ![]()
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