Arduino NeoPixel Wifi

/*   created 30 march 2016  by andres santos   */  #include <SPI.h> #include <WiFi101.h> #include <WiFiMDNSResponder.h> #include <Adafruit_NeoPixel.h> #ifdef __AVR__  #include <avr/power.h> #endif  char ssid[] = "unPhone"; // your network SSID (name) char pass[] = "internetme"; // your network password int keyIndex = 0; // your network key Index number (needed only for WEP)  char mdnsName[] = "wifi101"; // the MDNS name that the board will respond to // Note that the actual MDNS name will have '.local' after // the name above, so "wifi101" will be accessible on // the MDNS name "wifi101.local". String getContent=""; bool isGet=false; String gotContent=""; char* buf=""; int status = WL_IDLE_STATUS;  // Which pin on the Arduino is connected to the NeoPixels? // On a Trinket or Gemma we suggest changing this to 1 #define PIN 6  // How many NeoPixels are attached to the Arduino? int numPixels=30; // Create a MDNS responder to listen and respond to MDNS name requests. WiFiMDNSResponder mdnsResponder; Adafruit_NeoPixel pixels = Adafruit_NeoPixel(numPixels, PIN, NEO_GRB + NEO_KHZ800); int delayval = 500; // delay for half a second   WiFiServer server(80);  void setup() {  //Initialize serial and wait for port to open:  Serial.begin(9600);  while (!Serial) {  ; // wait for serial port to connect. Needed for native USB port only  }   // check for the presence of the shield:  if (WiFi.status() == WL_NO_SHIELD) {  Serial.println("WiFi shield not present");  // don't continue:  while (true);  }   // attempt to connect to Wifi network:  while ( status != WL_CONNECTED) {  Serial.print("Attempting to connect to SSID: ");  Serial.println(ssid);  // Connect to WPA/WPA2 network. Change this line if using open or WEP network:  status = WiFi.begin(ssid, pass);   // wait 10 seconds for connection:  delay(10000);  }  // you're connected now, so print out the status:  printWifiStatus();   server.begin();  pixels.begin();  // Setup the MDNS responder to listen to the configured name.  // NOTE: You _must_ call this _after_ connecting to the WiFi network and  // being assigned an IP address.  if (!mdnsResponder.begin(mdnsName)) {  Serial.println("Failed to start MDNS responder!");  while(1);  }   Serial.print("Server listening at http://");  Serial.print(mdnsName);  Serial.println(".local/"); } String pos1, pos2, id3; int rc=0,gc=150,bc=0; void loop() {  // Call the update() function on the MDNS responder every loop iteration to  // make sure it can detect and respond to name requests.  mdnsResponder.poll();   // listen for incoming clients  WiFiClient client = server.available();  if (client) {  Serial.println("new client");  // an http request ends with a blank line  boolean currentLineIsBlank = true;  while (client.connected()) {  if (client.available()) {  char c = client.read();  // if you've gotten to the end of the line (received a newline  // character) and the line is blank, the http request has ended,  // so you can send a reply  if (c == '\n' && currentLineIsBlank) {  // send a standard http response header  client.println("HTTP/1.1 200 OK");  client.println("Content-Type: text/html");  client.println("Connection: close"); // the connection will be closed after completion of the response  break;  }  if(getContent=="GET"){  isGet=true;  }   if (c == '\r'){  isGet=false;  }  if (c == '\n') {  // you're starting a new line  currentLineIsBlank = true;  isGet=false;   }  else if (c != '\r') {  getContent=getContent+c;   if(isGet){  gotContent=gotContent+c;  }  // you've gotten a character on the current line  currentLineIsBlank = false;   }  }  }  // give the web browser time to receive the data  delay(1);   // close the connection:  client.stop();  getContent="";  //separating characters  int firstEncounter=gotContent.indexOf(" H");  String realString=gotContent.substring(0,firstEncounter);  Serial.println(realString.substring(0,4));  if(realString==" /on"){  for(int i=0;i<numPixels;i++){  // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255  pixels.setPixelColor(i, pixels.Color(rc,gc,bc)); // Moderately bright green color.  pixels.show(); // This sends the updated pixel color to the hardware.  // Delay for a period of time (in milliseconds).  }  } else if(realString==" /off"){  Serial.println("OFFING");  for(int i=0;i<numPixels;i++){  // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255  pixels.setPixelColor(i, 0); // Moderately bright green color.  pixels.show(); // This sends the updated pixel color to the hardware.  // Delay for a period of time (in milliseconds).  }  } else if(realString.substring(0,4)==" /co"){  rc=realString.substring(4,7).toInt();  gc=realString.substring(7,10).toInt();  bc=realString.substring(10,13).toInt();  for(int i=0;i<numPixels;i++){  // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255  pixels.setPixelColor(i, pixels.Color(rc,gc,bc)); // Moderately bright green color.  pixels.show(); // This sends the updated pixel color to the hardware.  // Delay for a period of time (in milliseconds).  }  } else if(realString.substring(0,4)==" /nu"){  int changePixelNumber=realString.substring(4).toInt();  numPixels=changePixelNumber;  } else if(realString.substring(0,4)==" /le"){  for(int i=0;i<numPixels;i++){  // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255  pixels.setPixelColor(i, 0); // Moderately bright green color.  pixels.show(); // This sends the updated pixel color to the hardware.  // Delay for a period of time (in milliseconds).  }  int incomingPixel=realString.substring(4).toInt();  pixels.setPixelColor(incomingPixel , pixels.Color(rc,gc,bc));  }  Serial.println(realString);  gotContent="";  buf="";  Serial.println("client disconnected");  } }   void printWifiStatus() {  // print the SSID of the network you're attached to:  Serial.print("SSID: ");  Serial.println(WiFi.SSID());   // print your WiFi shield's IP address:  IPAddress ip = WiFi.localIP();  Serial.print("IP Address: ");  Serial.println(ip);   // print the received signal strength:  long rssi = WiFi.RSSI();  Serial.print("signal strength (RSSI):");  Serial.print(rssi);  Serial.println(" dBm"); }

Source : Arduino NeoPixel Wifi