[ESP8266 Pinout] Generic ESP8266 Module blinking inbuilt led #esp8226

main.cpp

///////Board Generic ESP8266 Module//////////


#define MY_BLUE_LED_PIN 1

void setup() {
  pinMode(MY_BLUE_LED_PIN, OUTPUT);     // Initialise the LED_BUILTIN pin as an output
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(MY_BLUE_LED_PIN, LOW);   // Turn the LED on (Note that LOW is the voltage level
  // but actually the LED is on; this is because
  // it is active low on the ESP-01)
  delay(1000);                      // Wait for a second
  digitalWrite(MY_BLUE_LED_PIN, HIGH);  // Turn the LED off by making the voltage HIGH
  delay(2000);                      // Wait for two seconds (to demonstrate the active low LED)
}




******************************FOR NODE MCU******************



void setup() {
  pinMode(2, OUTPUT);     // Initialize GPIO2 pin as an output
}

void loop() {
  digitalWrite(2, LOW);   // Turn the LED on by making the voltage LOW
  delay(1000);            // Wait for a second
  digitalWrite(2, HIGH);  // Turn the LED off by making the voltage HIGH
  delay(2000);            // Wait for two seconds
}

Node MCU pinmap

Node MCU pinmap

D0- GPIO16
D1- GPIO5
D2- GPIO4
D3- GPIO0
D4- GPIO2
D5- GPIO14
D6- GPIO12
D7- GPIO13
D8- GPIO15
D9/RX- GPIO3
D10/TX- GPIO1
D11/SD2- GPIO9
D12/SD3- GPIO10