Blink ESP8266 03 ESP 03 in Arduino IDE

Testing the ESP8266 03 have noticed differences with ESP version 01. By default brings AT commands, using the example blink and modifying 02 to activate the GPIO output. Connection to Program ESP Should the GPIO 0 to GND to place the bootloader mode module, its programming is equal to ESP 01 only this one does…

New ESP8266 03 ( ESP 03 )

ESP8266 03 I have done extensive testing with ESP8266 01 (ESP 01), I think it has endless applications, but I decided to test another module of the same family, in this case ESP8266 03 (ESP03), say that your great serious advantage has 7 GPIO (I / O). Characteristics  1. Support 802.11 B/G/N 2. Communication range…