In LED projects, the term LED stands for light-emitting diode, which is a semi-conducting luminous source that works on the principle of Electroluminescence. LED was invented by Nick Holonyak in the year 1962. This bulb is constructed with 2 terminals like anode (positive) and cathode (negative) where the LED glows by transmitting power from an external source. They are available in multicolor and can be controlled with a remote.
LEDs provide benefits in terms of less power consumption, are more reliable, and operate in different colors. LEDs are used in different applications such as torches, traffic lights, lamps, vehicle lights, and more. They lack in terms of unsteady illumination, the temperature of operation is less. This article discusses in detail a list of various LED projects using different interfaces for engineering students in different fields.
LED Projects for Engineering Students
The list of LED projects for engineering students mainly includes for beginners, using Arduino, Raspberry Pi, RGB LED strips, Solar Energy, and LED MAtrix based projects are discussed below.
LED Projects for Beginners
The list of various LED-based projects for beginners is discussed below which sounds interesting and used in their daily life.
1). Design of Eye Based Loupe with illuminated Type LED
Electronic components are available in many sizes having their independent functionality. The aim of this project is to assist engineers in viewing the Nanoelectronic components using eye-based Loupe with LED.
2). Design of LED Bulb with RGB colors
LED bulbs are available in different colors and intensities. Here the main function is to convert electric energy to light energy. The aim of this project is to design an LED bulb with three different colors red, green, and blue. Applications of these bulbs are kid’s toys, torches, and more.
3). Design of LED Based Lamp Circuit with USB Technology
A USB is a bus component used for connecting two devices physically for two-way communication. The aim of this DIY project is to interface an LED light to the user’s laptop using a USB wire to provide additional light to the user’s systems.
4). Design of Level Indicator for Batteries
A battery stores power in its storage box and later delivers the power to its load on the requirement. But it would be difficult for users to keep monitoring the battery level in case of emergency. The aim of this project is to design an indicator using LED for a battery in such a way that if the battery charge is 50 percent then all 5 LEDs blink.
5). Design of Sensor Circuit for Car Parking System
The aim of this project is to design a smart sensor system for 4 wheeler parking. This project assists drivers by mounting an LED sensor component behind the wheeler’s backside that blinks LED light if the distance between the wall and car is less during reversal parking.
6). Design of Charger Circuit for Car type Battery
The aim of this project is to design a car battery of 230V AC supply using a relay. This voltage is monitored using a feedback type circuit that automatically disconnects the battery from being charged if the battery charges up to its maximum capacity.
7). Design of DIY based Christmas Lights Circuits with LED
None of the users love to decorate their houses with beautiful lights on any occasion. The aim of this project is to design LED lights for occasions to decorate. These LED bulbs are designed in such a manner that these bulbs when detect darkness or evenings they automatically glow and on detection of sunlight they automatically turn off. Thus conserving power consumption.
8). Design of Smart Metal Detector Based Circuit
The aim of this project is to design a smart metal detector-based circuit for identifying metal-based objects suspiciously hidden by subsectors inside any objects or wearing them on themselves while entering highly surveillance areas. This project is mainly implemented at homes, malls, gardens, and more.
9). Design of an Auto Power Based LED for Night Lamps
The aim of this project is to design a smart LED-based Night lamp using an LDR sensor. This project is designed in such a way that the LDR sensor detects if its night time it automatically turns the LED light on and turns off during the daytime. Additionally, this system controls the intensity of light using an enhanced powered LED.
10). Design of Bipolar based LED Circuit
The aim of this project is to design a smart bipolar-based LED circuit for beacon flashing. This project is designed using a Bipolar based LED that has three terminals and an 8051 type controller for controlling the LED. This project is mainly applicable in areas where light is used for signaling purposes.
LED Projects using Raspberry Pi
A Raspberry Pi is a microcomputer-sized board, available in a credit card size. It is also labeled as RPi or Raspi. This processor was developed by the Raspberry Pi UK foundation for the purpose of simplifying the traditional processor’s task. Raspberry Pi performs a task similar to PC processors such as spreadsheets, HD videos, and word processing. Raspberry Pi with LED interface defines the device operation status. Listed below is the list of Raspberry Pi projects integrated with LED as follows.
1). Design of smart display with Graphical Interface
The aim of this project is to design a GUI device using LED technology. Components used in this project are LED lights of Adafruit, Raspberry-based Pi module, and display screens. This project
2). Design of Smart Animated LED Controller Interfaced with Raspberry Pi and Arduino.
The aim of this project is to design a smart LED systems that on software programing on Arduino environment deployed on Raspberry Pi produces animations GUI of 30 and predefined multiple color palettes. The main components used in this project are the LED bulb, Arduino controller, and Raspberry Pi.
3). LED Blinking through Raspberry Pi & Python
The proposed system is used to make a circuit for Led blinking and it is the beginner circuits. This circuit assists one to get familiar with GPIO pins in Raspberry Pi. This project uses Python language for writing the suitable code for this project for LED blinking at 1-sec intervals.
4). Design of Glow Board Plotter
The aim of this project is to design a glow board type plotter that glows during night times or in absence of light taking images from the server and moving using. The main components used in this project are glowing type boards of 120 by 60 cm, Raspberry Pi, stepper motor, webserver, 64 UV LED’s, and a MAX7219IC.
5). Design of LED Based World Clock
The aim of this project is to design a LED-based world clock that displays time, date, weather report, and location. This clock is designed additionally with a fun snake game which sounds interesting for users. The use of this clock is a user can track daily and periodic updates on time and climate conditions. They are used in houses, hotels, and other commercial locations.
6). Design of a Smart Hat with LED
The aim of this project is to design a fun sense hat that displays users commanded data on LED and is designed to allow users to play fun games like floppy astronauts, snakes, and more. This system also displays climatic conditions on LCD like temperature, humidity, pressure, and more.
7). Design of Home-Based Security System with LED and Raspberry Pi
The aim of this project is to design a security system that averts unauthorized users to enter a restricted area. This system is designed in such a way that it averts thieves to access the zone, sends alerts to alarm, beeps the sounds, and communicates to the owner via text or mail.
Arduino based LED Projects
An Arduino is open-source microcontroller software and a hardware device designed on a single board. Its purpose is to control its interface device during the communication process to obtain an efficient output. This controller was invented in the year 2005 by David Cuartielles and Massimo Banzi. Arduino interface with LED projects is used to control the operation of the LED. Following is the list of Arduino-based LED projects used for multiple applications.
1). Design of Lamp Controlled with Arduino
The aim of this project is to design a smart lighting system that turns on and off according to the user’s gesture and on detection of day and night environment. The main advantage of this project is it conserves energy and is operated independently without any manual observation.
2). Design of a Smart Moon Lamp using Arduino
The aim of this project is to design a smart customizable moon-shaped lamp, using an Arduino board. This project is implemented with an Arduino board, RGB LED’s, and moon-shaped bulb. The designed lamp auto-adjusts the user’s environment with different modes of display creating the desired users ambiance.
3). Design of Smart LED Display Clock using Arduino
The aim of this project is to design a smart LED-based clock display component using Arduino Nano. The components used in this project are LED’s, breadboards, photoresistors, Arduino Nano, and a matrix display system. This project assists the user in reading timings from a distance.
4). Design of Smoke Sensing System using Sensor and Arduino.
The aim of this project is to design a smart smoke sensing system using LED and Arduino. The main components used in this project are MQ2 type smoke sensor, LED’s, Arduino board, and buzzer. This system on detection of smoke immediately buzzes alarm thereby alerting users.
5). Design of 7 Segment LED Screen using Counter
The aim of this project is to design a smart seven-segment-based LED display system that displays numbers count in ascending order using the counter component. Components used in this project are LCD display, counter, Arduino, and buttons. This display system displays numbers according to Arduino control.
6). Arduino Based Design of Street Lights Controller System
The aim of this project is to design a smart street light-based control system using LED technology. The main components integrated with this project are a bunch of LEDs and an Arduino board. Here the intensity of light is adjusted with Arduino boards maximum and minimum operation.
7). Arduino Based Intervalometer Design
The aim of this project is to design an intervalometer using Arduino specifically for turning conditions of things within any equipment. This project is mainly designed using IR LED, Arduino board, and camera. This system captures images based on set interval time.
8). Arduino Based Tilt Detector
The aim of this project is to design a smart tilt detector for alerting users in case of emergency of tilt of earth before an actual earthquake goes a happen. The main components used in this project are 4 LEDs, an accelerometer, an Arduino board, and a display system. Arduino on receiving data from accelerometer glows LEDs alerting the users.
9). Design of POV LED Display Based System Using Arduino
The aim of this project is to design a POV-based LED screen, that defines the blur visions persistence on signaling towards any object at dynamic speed. The main components used in this project are LEDs, LCDs, Arduino board, and objects.
10). Design of Arduino Based Automatic Timer
The aim of this project is to design a Timer using LED and Arduino. The main components used in this project Arduino is used to controlling the time display, LED to display the actual time. The advantage of this project is it is simple and suitable for beginners.
11). Design of Sound Alarm using Arduino
The aim of this project is to design a high-quality sounding siren using LED and Arduino for the detection of fire outbreaks. The main components used in this project are LED, Alarm, sensor, and Arduino board. On detection of fire leakage, this system immediately generates a high-quality sound alerting users within the environment.
12). Design of Arduino Based LED Clock
The aim of this project is to design a simple LED clock, using Arduino Nano. The main components used in this project are LED, Arduino nano, phototype resistor, breadboard, and DS3231. This clock assists users to view time clearly even from a distance of a few meters away.
13). Design of Arduino Nano based Clock
The aim of this project is to design a desktop 3 dimension display clock using Arduino nano. The main components used in this project are a domino with RGB bulbs 14 in number, Arduino nano, buttons, USB wire, and DS3231 real-time clock. The clock is operated on interfacing Arduino with clock using USB wire.
14). Design of Hour type Glass using Arduino
An hourglass is an ancient device used by people to have a track on time instead of digital and analog clocks. This device consists of two bulbs and one side of the bulb is half-filled with sand and another bulb is left empty. During this flow of sand, the LED bulbs glow from the crest to the base portion.
Arduino based RGB LED Strip Projects
An Arduino is an open-source microcontroller device, used for controlling the other devices linked to them for efficient communication. Arduino with RGB LED strip projects assists in controlling the glowing of various LED bulbs at a specific interval. These projects are mainly used in DIY applications in parties, decorations, and more. Given below is a list of RGB-based LED DIY projects.
1). RGB based Lamp Controlled using PC
The aim of this project is to control the RGB-based lamp connected via module to a system and is managed by allowing Arduino sketch embedded inside the system to run. The main components used in this project are RGB lights, Arduino board, PC, and a specific module.
2). Design of Arduino based RGB type LCD design
The aim of this project is to design a smart system for controlling RGB color-changing LCD with Arduino. This event can be achieved by programming the Arduino board and setting which color to be displayed at a specific time.
3). Design of RGB based LED Mounted over Door Lock
The aim of this project is to assist door lock security with an Arduino board-based system used for offices and homes. The main components used in this project are LED with red, green, and blue colors. This system functions in such a way that when the door is locked it displays in one color and when the door is unlocked it displays in other colors.
4). Design of Fun Based Music Reactance System Using Multicolor LED Strip
The aim of this project is to design an LED strip that changes its LED color based on the tone of the music. The main components used in this project are Arduino Uno, LED bulbs, and connectors. In this project the LED color changes according to the music operated by Arduino. This kind of system is used by users at parties.
5). RGB LED Color Controller Using Bluetooth and Arduino Technology
The aim of this project is to design a smart application for mobile users that interfaces LED bulbs and operates that over Bluetooth connectivity. The main components used in this project are RGB LED of 12V, Android mobile, and Bluetooth service. This project is used for parties, festivals, and other light occasions.
6). Design of Arduino Based LED Scrolling Bar
The aim of this project is to design a fun LED-based scrolling bar using Arduino. The main components used in this project are LED strips 10 in number, a control board, and an Arduino Nano.
7). Design of Neo-Pixel Based LED Strip with TFT LCD
The aim of this project is to design a fun-based LED strip control system using TFT LCD. The main components used in this project are TFT LCD, Neo-Pixel LED, 7 touch buttons, and color LED. Here when a user touches any one of the switches on the screen the similar colored LED bulb will glow. On adding as many colored LEDs this strip will glow according to the color selected on the screen.
8). Design of Arduino Based Mood Light Controller via Android
The aim of this project is to design a smart application for allowing LED strips to glow based on day timing and also develop an application on the user’s Android mobile phone that controls the LED glow. The main components used in this project are LDR sensors, LEDs, and an Android phone.
LED-based Projects using Solar Energy
Solar energy is non-renewable energy that is collected from the sun. This process can be achieved with the help of solar plates, that are placed under the sun where maximum sun’s radiation is available to trap maximum solar energy and store the power for later use in batteries. LED with Solar energy projects can be used in many. Given below is the list of solar energy-based LED projects.
1). Design of Auto-Switching Device using Solar Battery
The aim of this project is to design a powered switch system for solar-based batteries. This designed system also operates on voice signals sent from Amazon echo for controlling different DC and AC devices such as window blinds, LEDs, and more. This system automatically gets charged up when a voltage drops
2). Design of Arduino Based Solar Tracking System
The aim of this project is to collect the maximum amount of solar power possible using one axial. The main components used in this project are solar cell, one axial, LDR 2 in number, servo with Arduino nano, and battery. The Arduino is programmed with a finite state machine in C.
3). Design of Solar Battery for Arduino Uno
The aim of this project is to design a smart solar battery system for operating Arduino Uno smartly. This designed battery supplies power not only to Arduino Uno but also to the other interfaced peripherals like sensors, buses, and more.
4). Design of a System for Trapping Maximum Solar Energy
The purpose of this project is to design a smart solar energy detection system of solar-based panels and their light intensity quantity generated via photoresistors. This system on obtaining the maximum value of threshold informs the user.
5). Design of Solar Energy Based Lightening System
The aim of this project is to replace the involvement of DAC converters that use inverters and ADC that uses SMPS for supplying LED. This system is powered using batteries or AC power systems.
LED Matrix-based Arduino Projects
An LED-based matrix is designed in form of a 2 dimension dotted matrix form whose display is large, provided with optimal resolution. They are commonly used for commercial and industrial applications for displaying messages. Such matrices are used for displaying animated and constant text messages. They are available in different ranges such as 8 by 8, 5 by 7, 128 by 64, and more. Given below are the lists of Arduino-based LED matrices.
1). Design of Display Screen with Many LED’s
The aim of this project is to design a simple LED display screen with different colored LEDs. The main components used in this project are LED ULN2803 and IC 74HC595. This module is used with 2 colors of different sizes.
2). Design of Fun LED-based Table
The aim of this project is to design a GUI table for displaying audio specs, games, and animation operated using Bluetooth technology. The main components used in this project are the Arduino controller, LED matrix, and Bluetooth technology.
3). Design of 8 by 8 Dot based Matrix
The aim of this project is to design an 8 by 8 dot-based matrix with multiple LEDs. Here in this project, multiple LEDs all the anodes are connected together in a row of the matrix, and cathode terminals of LEDs are connected in a column of the matrix. This system is applicable for timer applications.
4). Design of Arduino Based RGB Shades Blinker
The aim of this project is to design a LED blinker system for blinking LED using an Arduino controller. Here in this project LEDs are placed on a breadboard where one terminal is connected to +5V of external supply and another terminal is grounded. This is a simple DIY project.
5). Design of LED-based Matrix for Displaying Text Message via Browser
The aim of this project is to design a system for displaying a text message on the browser by creating a web page using Arduino Yun. The data sent to the server not only displays the content but also stores the data in its database.
6). Design of Westminster Based Clock using Matrix-type Panel
The aim of this project is to design a smart clock that not only displays time but also tracks temperature, event reminders, humidity, etc. The main components used in this project are MX7219, soundboards Adafruit FX for cuckoo sounds.
7). Design of Arduino Based Dice
Dice is a thing used during fun games which on rolling it stops on a specific number. The aim of this project is to design an e-dice controlled using Arduino. The main components used in this project are Atmega 328p, LED, and C programming. The die is designed with a number from 1 to 6.
8). Design of Smart Garage Parking Using Arduino
The aim of this project is to design a smart parking system for assisting 4 wheelers drivers during reverse parking. The main components used in this project are the 4wheeler, LED, HC-SR04 sensor, buzzer, and Arduino. When the driver is approaching nearer to the wall the buzzer sounds alarmed alerting the driver.
This article covers a list of LED projects using different technologies such as Microcontroller, LED strips, Arduino, and Raspberry Pi-based projects. If you have any queries regarding 8051 microcontroller-based projects please comment below.