Arnov Sharma
Published © GPL3+

RGBLAMP. io

An ESP8866 Based RGB LAMP made from a custom WS2812B PCB and ESP12F Module (RGBLAMP. io is just a fancy name)

BeginnerFull instructions provided2 hours372

Things used in this project

Hardware components

ESP8266 ESP-12E
Espressif ESP8266 ESP-12E
ESP12F or ESP12E any of these can be used here.
×1
AMS111
×1
10K 0805
×5
1uF 1206
×1
10uF 1206
×1
10uF Aluminium SMD Capacitor
×1
100nF 0805
×7
SparkFun RGB LED Breakout - WS2812B
SparkFun RGB LED Breakout - WS2812B
WS2812B 5050 SMD LED
×18
NodeMCU ESP8266 Breakout Board
NodeMCU ESP8266 Breakout Board
×1
NextPCB custom pcb
×1
rocket lamp bulb body
×1
3D Printed base
×1

Software apps and online services

Fusion 360
Autodesk Fusion 360
Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Hot Plate, Infrared
Hot Plate, Infrared
Soldering iron (generic)
Soldering iron (generic)

Story

Read more

Custom parts and enclosures

Base

Error uploading file to Sketchfab.

Schematics

sch

Gerber data for PCB

Code

code

C/C++
#include <Adafruit_NeoPixel.h>

// ESP8266
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>

// Webserver Config
const char *ssid = "OneplusNord"; //put your WIFI ssid in between " "
const char *password = "12345678q"; // and password too
ESP8266WebServer server ( 80 );

// Neopixel Config
#define NeoPIN 12 //GPIOI12
#define NUM_LEDS 18 //define number of leds in your strip, mine is 18
int brightness = 250;
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, NeoPIN, NEO_RGB + NEO_KHZ800);


const int led = 13;

void setup ( void ) {

  Serial.begin ( 115200 );

  // NeoPixel start
  Serial.println();
  strip.setBrightness(brightness);
  strip.begin();
  strip.show(); 
  delay(50);
  Serial.println("RGBLAMP.io started");
  
  // #########
  // Webserver
  pinMode ( led, OUTPUT );
  digitalWrite ( led, 0 );
  
  WiFi.begin ( ssid, password );
  Serial.println ( "" );

  // Wait for connection
  while ( WiFi.status() != WL_CONNECTED ) {
    delay ( 500 );
    Serial.print ( "." );
  }

  Serial.println ( "" );
  Serial.print ( "Connected to " );
  Serial.println ( ssid );
  Serial.print ( "IP address: " );
  Serial.println ( WiFi.localIP() );

  if ( MDNS.begin ( "esp8266" ) ) {
    Serial.println ( "MDNS responder started" );
  }

  // what to do with requests
  server.on ( "/", handleRoot );
  server.onNotFound ( handleNotFound );
  server.begin();

  
  
  Serial.println ( "HTTP server started" );
}

void loop ( void ) {
  // waiting fo a client
  server.handleClient();
}


void handleRoot() {
  Serial.println("Client connected");
  digitalWrite ( led, 1 );
  
  // data from the colorpicker (e.g. #FF00FF)
  String color = server.arg("c");
  Serial.println("Color: " + color);
  // setting the color to the strip 
  setNeoColor(color);

  // building a website
  char temp[5000];
  int sec = millis() / 1000;
  int min = sec / 60;
  int hr = min / 60;
  char clr [7];
  color.toCharArray(clr, 7);
  snprintf ( temp, 5000,

"<!DOCTYPE html>\n<html>\n\
  <head>\n\
    <title>LAMP COLOR CONTROLLER</title>\n\
    <style>\
      body { background-color: #87CEEB; font-family: Arial; Color: #004; }\
    </style>\n\
    <meta name=\"viewport\" content=\"width=device-width, height=device-height, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0\" />\n\
  </head>\n\
  <body>\n\
    <h1>RGBLAMP.IO</h1>\n\
    <p>Uptime: %02d:%02d:%02d</p>\n\
    \n\
    <form action=\"\" name=\"pick\" method=\"post\">\n\
    <input type=\"color\" name=\"c\" value=\"%02d\" onchange=\"document.forms['pick'].submit();\" />\n\
    &nbsp;<span onclick=\"document.forms['pick'].submit();\" style=\"font-size:16pt;\"> CHANGE </span>\n\
    </form>\n\
    \n\
  </body>\
</html>",

    hr, min % 60, sec % 60, clr
  );
  server.send ( 200, "text/html", temp );
  digitalWrite ( led, 0 );
}

void handleNotFound() {
  digitalWrite ( led, 1 );
  String message = "File Not Found\n\n";
  message += "URI: ";
  message += server.uri();
  message += "\nMethod: ";
  message += ( server.method() == HTTP_GET ) ? "GET" : "POST";
  message += "\nArguments: ";
  message += server.args();
  message += "\n";

  for ( uint8_t i = 0; i < server.args(); i++ ) {
    message += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n";
  }

  server.send ( 404, "text/plain", message );
  digitalWrite ( led, 0 );
}



void setNeoColor(String value){
  Serial.print("Setting Neopixel...");
  // converting Hex to Int
  int number = (int) strtol( &value[1], NULL, 16);
  
  // splitting into three parts
  int r = number >> 16;
  int g = number >> 8 & 0xFF;
  int b = number & 0xFF;
  
  // DEBUG
  Serial.print("RGB: ");
  Serial.print(r, DEC);
  Serial.print(" ");
  Serial.print(g, DEC);
  Serial.print(" ");
  Serial.print(b, DEC);
  Serial.println(" ");
  
  // setting whole strip to the given color
  for(int i=0; i < NUM_LEDS; i++) {
    strip.setPixelColor(i, strip.Color( g, r, b ) );
  }
  // init
  strip.show();
  
  Serial.println("on.");
}

Credits

Arnov Sharma

Arnov Sharma

273 projects • 286 followers
Just your average MAKER

Comments

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