Blink Code for FireBeetle ESP8266 Development Board.

FireBeetle_ESP8266_Blink.ino

const int ledPin = 2;

void setup() 
{
  pinMode(ledPin, OUTPUT);
}
void loop() 
{
  digitalWrite(ledPin, HIGH);
  delay(500);                
  digitalWrite(ledPin, LOW); 
  delay(500);                
}