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Paulsin

Very impressive website. Very good products we have. Easy to implement. Easy for application circuits. Very good blog so that users could easily do the circuit. Beautiful pictures and drawings. Good work.

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NeoPixel ring colour picker with touch and drag support from Mobile device through NodeMCU over WiFi using javaScript

NeoPixel ring colour picker with touch and drag support from Mobile device through NodeMCU over WiFi using javaScript

Arduino Program

#include <Adafruit_NeoPixel.h#ifdef __AVR__
#include <avr/power.h// Required for 16 MHz Adafruit Trinket
#endif

#define PIN D2

#define NUMPIXELS 16

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 500 // Time (in milliseconds) to pause between pixels

#include <ESP8266WiFi.h#include <ESP8266WebServer.h#include <FS.hconst char* htmlFile = “/index.html”;
const char* ssid = “NodeMCU”;
const char* password = “xxxxxxxxxxx”;

int count = 0;

#define LED 2

ESP8266WebServer server(80);

void handleRoot()
{
server.sendHeader(“Location”,

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NeoPixel ring colour picker from Mobile device through NodeMCU over WiFi using jQuery

NeoPixel ring colour picker from Mobile device through NodeMCU over WiFi using jQuery

Arduino Program

#include <Adafruit_NeoPixel.h#ifdef __AVR__
#include <avr/power.h// Required for 16 MHz Adafruit Trinket
#endif

#define PIN D2

#define NUMPIXELS 16

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 500 // Time (in milliseconds) to pause between pixels

#include <ESP8266WiFi.h#include <ESP8266WebServer.h#include <FS.hconst char* htmlFile = “/index.html”;
const char* ssid = “NodeMCU”;
const char* password = “xxxxxxxxxxx”;

int count = 0;

#define LED 2

ESP8266WebServer server(80);

void handleRoot()
{
server.sendHeader(“Location”,

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Real time data monitoring from NodeMCU through graphical interface using jQuery

Real time data monitoring from NodeMCU through graphical interface using jQuery

Arduino Program

#include <ESP8266WiFi.h#include <ESP8266WebServer.h#include <FS.hconst char* htmlFile = “/index.html”;
const char* ssid = “NodeMCU”;
const char* password = “xxxxxxxxxxx”;

int count = 0;

#define LED 2

ESP8266WebServer server(80);

void handleRoot()
{
server.sendHeader(“Location”, “/index.html”, true);
server.send(302, “text/plane”, “”);
}

void handlePWM()
{
String PWM = server.arg(“pwm”);
int p = 1024 – (PWM.toInt()) * 10;
Serial.println(p);
analogWrite(LED, p);
server.send(200, “text/plane”, “”);
}

void getCount()
{
server.send(200, “text/plain”, String(count).c_str());
Serial.print(“Sending “);
Serial.print(count);
Serial.println(” to the client device…”);

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