sparkfun ESP8266 - Hardware Assembly Guide

1/23/2018 ESP8266 Thing Development Board Hookup Guide - learn.sparkfun.com
https://learn.sparkfun.com/tutorials/esp8266-thing-development-board-hookup-guide/all 11/24
COPY CODE
Then select your FTDI’s port number under the Tools > Port menu.
Upload Blink
To verify that everything works, try uploading the old standard: Blink. But instead of blinking pin 13, toggle pin 5, which is attached
to the onboard LED.
#define ESP8266_LED 5
void setup()
{
pinMode(ESP8266_LED, OUTPUT);
}
void loop()
{
digitalWrite(ESP8266_LED, HIGH); // LED off
delay(500);
digitalWrite(ESP8266_LED, LOW); // LED on
delay(500);
}
Upload Fails – Troubleshooting