Iotguider iotguider

## ESP8266_OTA__Over_The_Air__Update_using_Arduino_IDE.ino
#include <ESP8266WiFi.h>
#include <ArduinoOTA.h>

const char* ssid = "WiFi_SSID"; //Enter Wi-Fi SSID
const char* password =  "WiFi_Password"; //Enter Wi-Fi Password

void setup() {
  Serial.begin(115200); //Begin Serial at 115200 Baud
  WiFi.begin(ssid, password);  //Connect to the WiFi network


## Send_HTTP_POST_Request_with_ESP8266_WiFi_Module.ino
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>

ESP8266WebServer server(80); // Create a webserver object listens HTTP request on port 80

const char* ssid = "WiFi_SSID"; //Enter Wi-Fi SSID
const char* password =  "WiFi_Password"; //Enter Wi-Fi Password

void setup(){
  Serial.begin(115200); //Begin Serial at 115200 Baud

## SPI_in_Raspberry_Pi.py
import spidev
spi = spidev.SpiDev()
spi.open(0, CHIP_SELECT_0_OR_1)
spi.max_speed_hz = 1000000
spi.xfer([value_8bit])

## Using_SoftwareSerial_in_Arduino_for_Serial_Communication.ino
#include<SoftwareSerial.h> //Included SoftwareSerial Library
//Started mySerial SoftwareSerial
SoftwareSerial mySerial(10,11);

void setup() {
  //Serial mySerial Begin at 9600 Baud
  mySerial.begin(9600);
}

void loop() {

## Access_Point_Mode_for_Establishing_WiFi_Connection_in_ESP8266.ino
#include <ESP8266WiFi.h>

const char* ssid = "WiFi_SSID"; //Enter Wi-Fi SSID
const char* password =  "WiFi_Password"; //Enter Wi-Fi Password

void setup() {
  Serial.begin(115200); //Begin Serial at 115200 Baud
  WiFi.softAP(ssid, password);  //Start the AP Mode

  Serial.print("Access Point started");

## WiFiMulti_Station_mode_for_Establishing_WiFi_Connection_in_ESP8266.ino
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>

ESP8266WiFiMulti multiWifi;

void setup() {
  Serial.begin(115200); //Begin Serial at 115200 Baud

  multiWifi.addAP("SSID_1", "Password_1");   //Add Wi-Fi networks for Connection
  multiWifi.addAP("SSID_2", "Password_2");

## Station_mode_for_Establishing_WiFi_Connection_in_ESP8266.ino
#include <ESP8266WiFi.h>

const char* ssid = "WiFi_SSID"; //Enter Wi-Fi SSID
const char* password =  "WiFi_Password"; //Enter Wi-Fi Password

void setup() {
  Serial.begin(115200); //Begin Serial at 115200 Baud
  WiFi.begin(ssid, password);  //Connect to the WiFi network
  // Connect to the network
  Serial.print("Connecting to WiFi network...");

## Wireless_controlled_LED_using_ESP8266_WiFi_Module.ino
#include <ESP8266WiFi.h>

const char* ssid = "WiFi Name (SSID)";
const char* password = "WiFi Password";

int LED = 0; // led connected to D0
WiFiServer server(80);

void setup()
{

## Slave_Arduino_for_SPI_Communication.ino
#include <SPI.h>
char buff [50];
volatile byte indx;
volatile boolean process;

void setup() {
  Serial.begin (115200);
  pinMode(MISO, OUTPUT); // have to send on master in so it set as output
  SPCR |= _BV(SPE); // turn on SPI in slave mode
  indx = 0; // buffer empty

## Master_Arduino_for_SPI_Communication.ino
#include <SPI.h>

void setup() {
  Serial.begin(115200); //set baud rate to 115200 for usart
  digitalWrite(SS, HIGH); // disable Slave Select
  SPI.begin();
  SPI.setClockDivider(SPI_CLOCK_DIV8);//divide the clock by 8
}

void loop() {
	#include <ESP8266WiFi.h>
	#include <ArduinoOTA.h>

	const char* ssid = "WiFi_SSID"; //Enter Wi-Fi SSID
	const char* password = "WiFi_Password"; //Enter Wi-Fi Password

	void setup() {
	Serial.begin(115200); //Begin Serial at 115200 Baud
	WiFi.begin(ssid, password); //Connect to the WiFi network
	#include <ESP8266WiFi.h>
	#include <ESP8266WebServer.h>

	ESP8266WebServer server(80); // Create a webserver object listens HTTP request on port 80

	const char* ssid = "WiFi_SSID"; //Enter Wi-Fi SSID
	const char* password = "WiFi_Password"; //Enter Wi-Fi Password

	void setup(){
	Serial.begin(115200); //Begin Serial at 115200 Baud
	import spidev
	spi = spidev.SpiDev()
	spi.open(0, CHIP_SELECT_0_OR_1)
	spi.max_speed_hz = 1000000
	spi.xfer([value_8bit])
	#include<SoftwareSerial.h> //Included SoftwareSerial Library
	//Started mySerial SoftwareSerial
	SoftwareSerial mySerial(10,11);

	void setup() {
	//Serial mySerial Begin at 9600 Baud
	mySerial.begin(9600);
	}

	void loop() {
	#include <ESP8266WiFi.h>
	#include <ESP8266WiFiMulti.h>

	ESP8266WiFiMulti multiWifi;

	void setup() {
	Serial.begin(115200); //Begin Serial at 115200 Baud

	multiWifi.addAP("SSID_1", "Password_1"); //Add Wi-Fi networks for Connection
	multiWifi.addAP("SSID_2", "Password_2");
	#include <ESP8266WiFi.h>

	const char* ssid = "WiFi Name (SSID)";
	const char* password = "WiFi Password";

	int LED = 0; // led connected to D0
	WiFiServer server(80);

	void setup()
	{
	#include <SPI.h>
	char buff [50];
	volatile byte indx;
	volatile boolean process;

	void setup() {
	Serial.begin (115200);
	pinMode(MISO, OUTPUT); // have to send on master in so it set as output
	SPCR \|= _BV(SPE); // turn on SPI in slave mode
	indx = 0; // buffer empty
	#include <SPI.h>

	void setup() {
	Serial.begin(115200); //set baud rate to 115200 for usart
	digitalWrite(SS, HIGH); // disable Slave Select
	SPI.begin();
	SPI.setClockDivider(SPI_CLOCK_DIV8);//divide the clock by 8
	}

	void loop() {