#include <Adafruit_NeoPixel.h>
#define PIXEL_PIN D8 
#define PIXEL_COUNT 7
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800);
void setup() 
{
 pinMode(D5, INPUT);
 pinMode(D6, INPUT);
 pinMode(D7, INPUT);
 attachInterrupt(digitalPinToInterrupt(D5), buttonpress, FALLING);
 attachInterrupt(digitalPinToInterrupt(D6), buttonpress, FALLING);
 attachInterrupt(digitalPinToInterrupt(D7), buttonpress, FALLING);
 strip.begin();
 strip.show();
}
void loop() 
{
}
void buttonpress()
{
 // button 1 ==> 011
 if (digitalRead(D5)== LOW && digitalRead(D6)== HIGH && digitalRead(D7)== HIGH)
 {
 strip.setPixelColor(0, 0,255,0); 
 strip.setPixelColor(1, 0,0,0);
 strip.setPixelColor(2, 0,0,0);
 strip.setPixelColor(3, 0,0,0);
 strip.setPixelColor(4, 0,0,0);
 strip.setPixelColor(5, 0,0,0);
 strip.setPixelColor(6, 0,0,0);
 strip.show(); 
 delay(500);
 }
 // button 2 ==> 101
 if (digitalRead(D5)== HIGH && digitalRead(D6)== LOW && digitalRead(D7)== HIGH)
 {
 strip.setPixelColor(0, 0,255,0); 
 strip.setPixelColor(1, 0,255,0);
 strip.setPixelColor(2, 0,0,0);
 strip.setPixelColor(3, 0,0,0);
 strip.setPixelColor(4, 0,0,0);
 strip.setPixelColor(5, 0,0,0);
 strip.setPixelColor(6, 0,0,0);
 strip.show(); 
 delay(500);
 }
 // button 3 ==> 110
 if (digitalRead(D5)== HIGH && digitalRead(D6)== HIGH && digitalRead(D7)== LOW)
 {
 strip.setPixelColor(0, 0,255,0); 
 strip.setPixelColor(1, 0,255,0);
 strip.setPixelColor(2, 0,255,0);
 strip.setPixelColor(3, 0,0,0);
 strip.setPixelColor(4, 0,0,0);
 strip.setPixelColor(5, 0,0,0);
 strip.setPixelColor(6, 0,0,0); 
 strip.show(); 
 delay(500);
 }
 // button 4 ==> 100
 if (digitalRead(D5)== HIGH && digitalRead(D6)== LOW && digitalRead(D7)== LOW) //
 {
 strip.setPixelColor(0, 0,255,0); 
 strip.setPixelColor(1, 0,255,0);
 strip.setPixelColor(2, 0,255,0);
 strip.setPixelColor(3, 0,255,0);
 strip.setPixelColor(4, 0,0,0);
 strip.setPixelColor(5, 0,0,0);
 strip.setPixelColor(6, 0,0,0);
 strip.show(); 
 delay(500);
 }
 // button 5 ==> 001
 if (digitalRead(D5)== LOW && digitalRead(D6)== LOW && digitalRead(D7)== HIGH) //
 {
 strip.setPixelColor(0, 0,255,0); 
 strip.setPixelColor(1, 0,255,0);
 strip.setPixelColor(2, 0,255,0);
 strip.setPixelColor(3, 0,255,0);
 strip.setPixelColor(4, 0,255,0);
 strip.setPixelColor(5, 0,0,0);
 strip.setPixelColor(6, 0,0,0);
 strip.show(); 
 delay(500);
 }
 // button 6 ==> 010
 if (digitalRead(D5)== LOW && digitalRead(D6)== HIGH && digitalRead(D7)== LOW) //
 {
 strip.setPixelColor(0, 0,255,0); 
 strip.setPixelColor(1, 0,255,0);
 strip.setPixelColor(2, 0,255,0);
 strip.setPixelColor(3, 0,255,0);
 strip.setPixelColor(4, 0,255,0);
 strip.setPixelColor(5, 0,255,0);
 strip.setPixelColor(6, 0,0,0);
 strip.show(); 
 delay(500);
 }
 // button 7 ==> 000
 if (digitalRead(D5)== LOW && digitalRead(D6)== LOW && digitalRead(D7)== LOW) //
 {
 strip.setPixelColor(0, 0,255,0); 
 strip.setPixelColor(1, 0,255,0);
 strip.setPixelColor(2, 0,255,0);
 strip.setPixelColor(3, 0,255,0);
 strip.setPixelColor(4, 0,255,0);
 strip.setPixelColor(5, 0,255,0);
 strip.setPixelColor(6, 0,255,0); 
 strip.show(); 
 delay(500);
 }
}

interrupt d5, [CHANGE]
interrupt d6, [CHANGE]
interrupt d7, [CHANGE]
neo.setup(d8)
neo.cls()
wait
[CHANGE] 
interrupt d5
interrupt d7
interrupt d6
if ((io(pi,d5) = 0) and (io(pi,d6) = 1) and (io(pi,d7) = 1)) then
neo.cls()
neo(0,250,250,250)
endif
 
if ((io(pi,d5) = 1) and (io(pi,d6) = 0) and (io(pi,d7) = 1)) then
neo.cls()
neo(0,250,250,250)
neo(1,250,250,250)
endif
if ((io(pi,d5) = 1) and (io(pi,d6) = 1) and (io(pi,d7) = 0)) then
neo.cls()
neo(0,250,250,250)
neo(1,250,250,250)
neo(2,250,250,250)
endif
if ((io(pi,d5) = 1) and (io(pi,d6) = 0) and (io(pi,d7) = 0)) then
neo.cls()
neo(0,0,0,250)
neo(1,0,0,250)
neo(2,0,0,250)
neo(3,0,0,250)
endif
if ((io(pi,d5) = 0) and (io(pi,d6) = 0) and (io(pi,d7) = 1)) then
neo.cls()
neo(0,250,0,0)
neo(1,250,0,0)
neo(2,250,0,0)
neo(3,250,0,0)
neo(4,250,0,0)
endif
if ((io(pi,d5) = 0) and (io(pi,d6) = 1) and (io(pi,d7) = 0)) then
neo.cls()
neo(0,0,250,0)
neo(1,0,250,0)
neo(2,0,250,0)
neo(3,0,250,0)
neo(4,0,250,0)
neo(5,0,250,0)
endif
if ((io(pi,d5) = 0) and (io(pi,d6) = 0) and (io(pi,d7) = 0)) then
neo.cls()
neo(0,250,0,250)
neo(1,250,0,250)
neo(2,250,0,250)
neo(3,250,0,250)
neo(4,250,0,250)
neo(5,250,0,250)
neo(6,250,0,250)
endif
delay (500)
interrupt d6, [CHANGE]
interrupt d7, [CHANGE]
interrupt d5, [CHANGE]
delay (500)
cls
wait 
end

// ======================================================
// Libraries needed
// ======================================================
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <Adafruit_NeoPixel.h>
// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 7
// Your credentials
ESP8266WebServer server(80);
const char* ssid = "XXXXXXXXXXXXXXX";
const char* password = "YYYYYYYYYYYYYY";
int neoPin = D7; 
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, neoPin, NEO_GRB + NEO_KHZ800);
String responseHTML = ""
 "<!DOCTYPE html><html><head><title>CaptivePortal</title></head><body>"
 "<h1>Hello World!</h1><p>This is a captive portal example. All requests will "
 "be redirected here.</p></body></html>";
// ==========================================
// initial variables
// ========================================== 
int sliderREDvalue = 0;
int sliderGREENvalue = 0;
int sliderBLUEvalue = 0;
// =========================================
// Build the webpage
// =========================================
String getPage()
 {
 String page = "<!DOCTYPE HTML>";
 page += "<html>";
 page += "<head>";
 page += "<meta name = \"viewport\" content = \"width = device-width, initial-scale = 1.0 maximum-scale = 2.5, user-scalable=1\">";
 page += "<title>Luc's Neopixels slider demo</title>";
 page += "<style>";
 page += "body { background-color: powderblue}";
 page += "</style>";
 page += "</head>";
 page += "<body>";
 page += "<h1 style='color:red'>Luc's Neopixels slider demo</h1>";
 page += "<form id=\"myForm\" action=\"/\" method=\"post\">";
 page += "Move the slider for choosing the color :<br><br>";
 page += "RED&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
 page += "<input type=\"range\" min=\"0\" max=\"255\" onmouseleave=\"myFunction()\" id=\"sliderred\" name=\"sliderred\" value=\"";
 page += sliderREDvalue;
 page +="\" > <br>";
 
 page += "GREEN&nbsp;&nbsp;&nbsp;";
 page += "<input type=\"range\" min=\"0\" max=\"255\" onmouseleave=\"myFunction()\" id=\"slidergreen\" name=\"slidergreen\" value=\"";
 page += sliderGREENvalue;
 page +="\" > <br>";
 
 page += "BLUE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
 page += "<input type=\"range\" min=\"0\" max=\"255\" onmouseleave=\"myFunction()\" id=\"sliderblue\" name=\"sliderblue\" value=\"";
 page += sliderBLUEvalue;
 page +="\" > <br>";
 page += "</form>";
 page += "<br>";
 page += "<script>";
 page += "function myFunction() {";
 page += "document.getElementById(\"myForm\").submit()";
 page +="}";
 page +="</script>";
 page += "</body>";
 page += "</html>";
 return page;
 }
// ==========================================
// Handle if unknown command
// ==========================================
void handleNotFound()
{
 server.send(200, "text/html", getPage());
}
// ===========================================
// Submit page
// ===========================================
void handleSubmit()
 {
 if (server.hasArg("slidergreen"))
 {
 sliderGREENvalue = server.arg("slidergreen").toInt();
 Serial.print("The slider Green has value: ");
 Serial.println(sliderGREENvalue);
 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(sliderREDvalue,sliderGREENvalue,sliderBLUEvalue)); // Moderately bright green color.
 pixels.show(); // This sends the updated pixel color to the hardware.
 }
 }
 if (server.hasArg("sliderred"))
 {
 sliderREDvalue = server.arg("sliderred").toInt();
 Serial.print("The slider Red has value: ");
 Serial.println(sliderREDvalue);
 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(sliderREDvalue,sliderGREENvalue,sliderBLUEvalue)); // Moderately bright green color.
 pixels.show(); // This sends the updated pixel color to the hardware.
 }
 } 
 if (server.hasArg("sliderblue"))
 {
 sliderBLUEvalue = server.arg("sliderblue").toInt();
 Serial.print("The slider Blue has value: ");
 Serial.println(sliderBLUEvalue);
 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(sliderREDvalue,sliderGREENvalue,sliderBLUEvalue)); // Moderately bright green color.
 pixels.show(); // This sends the updated pixel color to the hardware.
 }
 } 
 server.send(200, "text/html", getPage()); //Response to the HTTP request
 } 
// =============================================
// Test if commands received
// =============================================
void handleRoot() 
 { 
 if (server.args() ) 
 {
 handleSubmit();
 } 
 else 
 {
 server.send(200, "text/html", getPage()); 
 }
 }
// =============================================
// Setup
// =============================================
void setup()
 {
 delay(1000);
 Serial.begin(115200);
 // WiFi initilisation part
 // Connect to Wi-Fi network with SSID and password
 Serial.print("Connecting to ");
 Serial.println(ssid);
 WiFi.begin(ssid,password);
 while (WiFi.status() != WL_CONNECTED) 
 {
 delay(500);
 Serial.print(".");
 }
 // Print local IP address and start web server
 Serial.println("");
 Serial.println("WiFi connected.");
 Serial.println("IP address: ");
 Serial.println(WiFi.localIP());
 server.begin();
 server.on("/", handleRoot);
 server.onNotFound(handleNotFound);
 delay(500);
 pixels.begin(); // This initializes the NeoPixel library.
 
 pixels.Color(sliderREDvalue,sliderGREENvalue,sliderBLUEvalue);
 pixels.show();
 }
// ===============================================
// LOOP
// =============================================== 
void loop()
 { 
 server.handleClient(); 
 delay(50);
 }

#include <Adafruit_NeoPixel.h>
int neoPin = D7;
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, neoPin, NEO_GRB + NEO_KHZ800);