Arduino to Control Bulbs using Web App

By Deligence Technologies www.deligence.com

WHAT WE WILL COVER?

Project Description

Hardware Used • Arduino Mega 2560•Arduino Ethernet Shield•3 Relay Module•12 led Bulbs

Video Presentation

PROJECT DESCRIPTION

In this project we are going to light the bulb from remote location using web services. In this we are going to use one Arduino interfacing with 12 bulb using 3 relay module with low level trigger. We can trigger the relay from anywhere in the world using a website in which we’ll have GUI Button. In each trigger of relay the correspondence Bulb or group of bulb will glow.

Controlling LED Bulbs from Web App using Arduino

HARDWARE USED

Arduino Mega 2560Arduino Ethernet Shield3 Relay Module12 led Bulbs

ARDUINO MEGA 2560 The Mega 2560 is a microcontroller board based on the Atmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button.

RELAY MODULE

We have used 3 four channel relay module to control 12 led bulbs. As we are working with 220 volt ac we have to make sure that our connection are properly connected.

CIRCUIT DIAGRAM FOR RELAY AND ARDUINO UNO For complete isolation with microcontroller we can wire up our circuit as below. Here we have to remove jumper used in jd-vcc and vcc.

BULB CONNECTION WITH RELAY AND ARDUINO MEGA Here we are connecting our relay module to 12 led Bulbs. We've used complete optical isolation by giving a separate power supply to jdvcc.

ARDUINO ETHERNET SHIELD

The Arduino Ethernet Shield allows you to easily connect your Arduino to the internet. This shield enables your Arduino to send and receive data from anywhere in the world with an internet connection. You can use it to do fun stuff like control robots remotely from a website, or ring a bell every time you get a new twitter message. This shield opens up endless amounts of possibility by allowing you to connect your project to the internet in no-time flat.lug the Arduino into your computer's USB port, and the Ethernet shield into your router (or direct internet connection).Next, open the Arduino development environment.

I highly recommend upgrading to Arduino 1.0 or later (if you have not done so already). This version of the software has built in DHCP support, and does not require manually configuring an IP address.To figure out what IP address has been assigned to your board, open the DhcpAddressPrinter sketch. This can be found at:

File --> Examples --> Ethernet --> DhcpAddressPrinter

Once open, you may need to change the Mac address. On newer versions of the Ethernet shield, you should see this address on a sticker attached to the board. If you are missing a sticker, simply making up a unique mac address should work. If you are using multiple shields, make sure each has a unique mac address.

Once the mac address is properly configured, upload the sketch to your Arduino, and open the serial monitor. It should print out the IP address in use.

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