Learn How to Setup the Wifi Module ESP8266 by Using Just Arduino IDE

Step 1: Turn On Your ESP8266 Module by Using Arduino Nano 3.3V Dc Output Pin. Remeber sometimes Arduino board is not delivering sufficient voltage to the ESP8266 module. You can use a 3.3 V ( Do not exceed input voltage from 3.3v) regulator ( AMS1117 ) to power this module. A voltage divider circuit is used to drop the Arduino 5V to ESP8266 3.3 V.

Step 2: Here is the schematic Diagram, in my code I used Digital pin 2 as a Tx and D3 as an RX. 
Setup-ESP8266-Arduino IDE
Step 3: Open Arduino IDE and Paste the given code in the window just like shown in the picture. 

#include <SoftwareSerial.h>
SoftwareSerial softSerial(3, 2); // RX, TX

void setup() 
{
  uint32_t baud = 9600;
  Serial.begin(baud);
  softSerial.begin(baud);
  Serial.print("SETUP!! @");
  Serial.println(baud);
}

void loop() 
{
    while(softSerial.available() > 0) 
    {
      char a = softSerial.read();
      if(a == '\0')
        continue;
      if(a != '\r' && a != '\n' && (a < 32))
        continue;
      Serial.print(a);
    }
    
    while(Serial.available() > 0)
    {
      char a = Serial.read();
      Serial.write(a);
      softSerial.write(a);
    }
}

Step 4: Open Serial Monitor and Set Your Baud rate to 9600.

Step 5: You are ready to send At Commands to Your ESP8266 Module. Remember you will see a Garbage value during Serial Communication.

  • AT – Will give OK on the serial monitor, if Not just unplug vcc Pin of ESP8266 Module for a moment and reconnect again. 
  • Send AT+RST – Command to Restart module / Optional Command
  • Send AT+GMR – To get the firmware version
  • Send AT+CWMODE? – Set Module to a Dual Mode Sucha as Standalone + Access Point mode. 
  • Send AT+CWLAP – Command to Search Nearby Wifi Access Point. Find your Wifi Name in the Search Result.
  • Send AT+CWJAP="Your Wifi Name","Your Wifi Password" – Command to Connect to WIFI.
  • Send AT+CIFSR – Command to Check Allocated Ip given by your Wifi to your ESP8266 Module/Optional Command.
Setup-ESP8266-Arduino IDE
Learn How to Setup the Wifi Module ESP8266 by Using Just Arduino IDE Learn How to Setup the Wifi Module ESP8266 by Using Just Arduino IDE Reviewed by Abid Jamal on November 26, 2017 Rating: 5

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