8051 Microcontroller Projects for Engineering Students An engineering student must obtain more practical knowledge and practice through a practical learning approach by means of Project Works such as mini and main projects. These are commonly included as a part of their syllabus. 8051 is one of the most popular microcontrollers in use today. Many imitative microcontrollers have been developed based on 8051 microcontrollers. Hence, the 8051 microcontroller projects are an important skill for anyone who plans to go the product development. Thus, this article provides the top 8051 projects for engineering students. Top 8051 Microcontroller Projects for Engineering Students The pin diagram of 8051 microcontrollers consists of 40 pins which have 4 input and output ports. Wherein each port comprises 8 pins that can be arranged as inputs or outputs. 8051 Microcontroller is an 8-bit microcontroller, which has 8-data lines that can send and receive 8-bits data at a time. The 8051 microcontroller architecture consists of CISC based Harvard architecture. It has consisted 40-pin diagram of 8051. To understand the advanced microcontrollers, it is advisable for the students to learn about basic microcontroller namely 8051 microcontrollers. In this article providing popular 8051 microcontroller based projects for engineering students to buy electronic project kits online in India. The list of 8051 microcontroller projects with abstracts is discussed below 8051 Microcontroller Projects Vehicle Movement Sensing Led Street Light With Off-Peak Hour Time Dimming The main intention of this project is designed to detect a vehicle movement on road to switch on only a block of street lights that are in front of the vehicle, and automatically switch off the glowing lights when the vehicle passes away from the lights. Vehicle Movement Sensing Led Street Light With Off-Peak Hour Time Dimming using 8051 Microcontroller This will help to save more electrical energy. The IR Sensors are placed on both sides of the traveling way, that are used to sense the object’s movement and send the logic commands to an 8051 microcontroller to switch on or off the LEDs for a specific distance. Hence, this way of dynamically switching on and of the street lights Precise Detection of Distance in Underground Cable Fault The main aim of this project is to determine the distance of the underground cable fault from the base station in kilometers. It is very difficult to repair of underground cables in case of any faults occurs. This proposed system is used to find the exact location of the fault is possible. Precise Detection of Distance in Underground Cable Fault This project, assembled with a set of resistors representing cable length in km and fault creation is made by a set of switches at every known km to cross-check the accuracy. If the fault occurs at a certain distance of a particular phase is displayed on the LCD display. The whole circuit controlled by the 8051 microcontrollers. Detecting the Power Grid Synchronization Failure System This project is to detect the failure of power grid synchronization while sensing the frequency and voltage which are not in an acceptable range, and then preventing the power supply to the distribution system. The microcontroller continuously monitors the over/under voltages and frequency using a set of comparators. Detecting the Power Grid Synchronization Failure System Since the main supply frequency cannot be altered, so this project uses a 555 timer for varying the frequency, whereas a standard variac (autotransformer) is used to vary the input voltage to test the working of the project. Soil Moisture Sensed Auto Irrigation System The goal of this project is to develop an automatic irrigation system that switches the pump motor on/off on sensing the moisture content of the soil. The improvement of using this method is to reduce human intervention and to ensure proper irrigation. Soil Moisture Sensed Auto Irrigation System This project uses an 8051 series microcontroller which is programmed to receive an input signal of varying moisture conditions of the soil through the sensing arrangement. Once the controller receives this signal, it generates an output that drives a relay for operating the water pump. This is achieved by using an op-amp as a comparator. Mouse Function Achieved by a TV Remote for Cordless Operation The project is designed to use a standard TV remote as a cordless mouse for the computer. Using a conventional-wired mouse becomes very tedious when the PC is used for presentation purposes (i.e, while using for a projector) or at distant (within a room) place. Mouse Function Achieved by a TV Remote for Cordless Operation The software named “PC remote” is used on a PC that recognizes data received from the microcontroller through a COM port and performs required operation. The numbers on the TV remote are used to perform up, down, right, and left cursor movement. The features like left-clicking and right-click of the mouse can also be performed by the TV remote. Robotic Vehicle Movement by Cell Phone The project is designed to develop a robotic vehicle that is controlled by a cell phone. DTMF commands from a phone are sent to another cell phone which is mounted on the robot. Robotic Vehicle Movement by Cell Phone These commands are fed to the microcontroller of the 8051 families to operate the vehicle movement through the motor interface. The motors are controlled using the motor driver IC interfaced with the microcontroller. This system uses the microcontroller from the 8051 family and a battery for a power source. Garage Door Lifting System by Cell Phone The main objective of this project is to lift a garage door by using a cell phone and avoiding the conventional method involving human labor for closing and opening the garage doors. This project is based on the concept of DTMF (dual-tone multi-frequency). Every numeric button on the keypad of the mobile phone generates a unique frequency when pressed. These frequencies are decoded by the DTMF decoder IC at the receiving end, which is fed to the 8051 microcontrollers. Garage Door Lifting System by Cell Phone Time Programmed Sun Tracking Solar Panel This project employs a solar panel mounted to a time-programmed stepper motor to track the sun so that maximum sunlight is made incident upon the panel at any given time of the day. This is best compared to the light-sensing method that may not be accurate always – for example, during cloudy days. Time Programmed Sun Tracking Solar Panel The microcontroller used in this project is from the 8051 families. The Stepper motor is driven by an interfacing IC as the controller is not capable of handling the power requirements of the stepper motor. This particular project is provided with a dummy solar panel, which can be used for demonstration purposes only. DC Motor with PWM Speed Control in All Four Quadrants using Microcontroller The main concept of this project is designed to develop a four-quadrant-speed-control system for a DC motor with PWM. The motor is operated in four quadrants they are clockwise, counterclockwise, forward brake, and reverse brake. It is very useful for industries wherein motors are used as per the requirement. DC Motor with PWM Speed The microcontroller used in this project is from the 8051 families. Few push-buttons interfaced with the microcontroller are provided for the operation of the motor and for the input signal to the motor and in turn, control the speed of the motor through the motor driver IC. AC Power Transfer Wirelessly by HF The main concept of this project is to transfer the electrical energy wirelessly from a power source for electrical loads. In this project using a high-frequency resonating air-core transformer to develop the frequency from 50Hz to 40 kHz for transferring power over a distance of 3cm. AC Transfer Wirelessly by HF using 8051 Microcontroller The wireless power transfer is developing a high-frequency supply from 230v 50Hz AC to 12v 25-40 kHz AC supply, a high-frequency transformer is used. The output is fed to a tuned coil forming as primary of an air-core transformer. The secondary coil is received to run the load. Stepper Motor Control using 8051 Microcontroller Project Report Please refer to this link to know more about Stepper Motor Control using 8051 Microcontroller Project Report Ultrasonic Water Level Controller with 8051 Microcontroller Please refer to this link to know more about the water level controller using the 8051 microcontroller project Embedded Projects using 8051 Microcontroller Please refer to this link to know more about these projects: Embedded System Projects for Engineering Students 8051 Microcontroller Projects using Embedded System Moving Message Display on LCD using 8051 Microcontroller Project Please refer to this link to know more about this project: What is Scrolling Message Display: Working & Its Applications 8051 Microcontroller Robotics Projects Please refer to this link to know more about these projects Latest Robotics Projects using Microcontroller for Engineering Students Electronic Voting Machine using 8051 The electronic voting machine has different benefits as compared with traditional machines such as it counts the votes automatically, security, etc. So this project is used to design an EVM using 8051 microcontrollers. This system displays the votes on the LCD so that votes can be counted. A user can get registered votes via a set of switches. Once each cast of the vote is done, then the following count can be displayed on the display. This project is mainly designed for four persons. The input section of this project can be built with 6 tactile switches where these switches, as well as the display, are interfaced to the microcontroller for different operations & displays Bidirectional Visitor Counter Using 8051 This project implements a system for a Visitor Counter in Bidirectional with the help of an 8051 Microcontroller. The main function of this project is to track the number of visitors entering and leaving the room and displays the number on LCD. Whenever a person goes into the room, then the visitor count will be raised, but when the visitor leaves the room then the count will be decreased. This system uses the mechanism of infrared sensing to sense the existence of visitors & the operation of total counting can be done through a microcontroller. Fire Alarm Circuit Using Microcontroller 8051 Project This project designs a fire alarm circuit to provide a reliable and better security system against fire disasters. This system uses a fire sensor to detect the fire. If the fire begins then the motor will start running and turn OFFs the motor when there is no fire. In areas where fire alarm systems were fixed, we need to monitor the system because sometimes the sprinklers will not work properly due to the smoke caused by different reasons so it creates a huge nuisance so the false alarm can be generated. Digital Thermometer using 8051 Please refer to this link to know more about Digital Thermometers and Its Applications 8051 Microcontroller Interfacing with LCD Please refer to this link to know more about LCD Interfacing with 8051 Microcontroller Object Counter using 8051 This project designs an object counter with the help of 8051 microcontrollers. The main objective of this object counter is to count the persons, vehicles, or any other passing across a door, gate, or line. This project is divided simply into two sections like the sensor section as well as the display section. When anything crosses the barrier of an embedded system physically then this system will increase our counter because it is bidirectional so it increases or decreases the count of an object which crosses the lane or barrier. By using this system, manual operation can be reduced DC Motor Controller using at89c51 In industrial automation, controlling motion plays an essential role. Based on the application, different kinds of electric motors are used. From these, DC motors are extensively used because these are very easy to control as compared with other motors. The dc motor motion can be controlled through a DC drive because it changes the direction as well as the speed of the motor. One of the DC drives is a rectifier using a series resistor. This drive can change the AC supply to DC supply to provide the supply to the motor using a switch. A series resistor changes the motor speed as well as direction. But some DC drives include a microcontroller, display, exact control & motors protection. The dc motor controller has some features like the motor can be controlled using an AT89C51 microcontroller, an LCD module displays the message, push-button switches are used to control the motor direction and indicates through an LED. It changes the speed and direction of the motor in forward & reverses by using time settings. Humidity Sensor using 8051 Microcontroller The physical quantities are monitored using different sensors to obtain information regarding the conditions of the environment such as temperature, humidity, pressure, etc. The proposed system is used to interface the humidity sensor through 8051 microcontrollers. The applications of humidity sensors include air conditioner, the estimate of weather, etc. The working principle of the Humidity sensor is relative humidity and the output of this sensor is in voltage form. This voltage gives information regarding the humidity present within the atmosphere. GLCD Interfacing with 8051 This project is used to interface 8051 microcontroller using graphical LCD. This LCD includes 64 rows and 128 columns. Graphical LCDs are available in several sizes but their characteristics will differ. Some displays can be directly connected to your computer to learn easy commands to transmit text, pictures to LCD. These LCDs are operated with the inbuilt program but some displays will come with microcontrollers. Auto Billing Mall Shopping Cart 8051 This project implements a system namely the auto-billing mall shopping cart. This system can be arranged within the trolley of shopping. This system includes an RFID reader and it is controlled through 8051 microcontrollers. Once the customer places any product within trolley then the product will be detected through the RFID and it displays the product price on the display. Therefore, this project is very useful in supermarkets to reduce the manpower for creating the best experience in shopping for customers. The list of 8051 microcontroller project ideas includes the following. There are several applications of 8051 microcontrollers. So, 8051 microcontroller projects are great for an engineering student. Hence, you can refer any one of the below-listed microcontroller based projects for the final year to understand the concept of 8051 microcontroller pins operations practically. 3 Phase Sequence Checker by LED Indication Control System for Motor in Automatic Washing Machine IR based Controlling of Electrical Device through TRIAC & DIAC AT89C51 Microcontroller based Controlling of DC Motor Counting System for Objects using Conveyer Belt in Industries Indicator of Fuse Blown using Display of PC Controlling of Vehicle by Detecting Alcohol Alert System of Over Speed using GPS Speedo Meter Indicator of Digital RPM for Electrical Motor using Alarm Indicator with Over Speed Alarm Clock through Digital Clap Counter through Digitally Indication System of Bus Station or Train using GPS and LCD 8051 Microcontroller based Digital Dice Digital Thermometer through 8051 Identification System of Geographical location using Microcontroller & GPS Energy Meter through Digital using the LCD display Devices Control System in Industries using Embedded Real-time Clock Digital Frequency Meter using LCD Display Electronic Lock System through Code Implementation of Digital Clock using LCD & Microcontroller IR Sensor-based Distance Measurement through 8051 and ADC0804 Digital Thermostat using LCD Temperature Display Telephone Ring Sensed Flasher in Industrial Area Enhancing Projection Lamp Life by ZVS (Zero Voltage Switching): Soft Start of Single Phase Pump Motor Traffic Density Sensed Signal Light System Car Parking Management by RFID Obstacle Sensed Switching in Industrial Applications Urban Traffic Signal Based on Density and also with Remote Override Exhaust Fan for Bidirectional Motion with Remote Control Intensity Controlled Energy Saving LED Street Lights Conveyor Belt Object Counting with IR Sensing & Display Dialed Telephone Number LED Based Display System Patient Medication Reminder Path Tracking Robotic Vehicle by Programmed Microcontroller Fan Speed Control by TV Remote Scrolling Message Display by LCD from PC Terminal Brushless DC Motor (BLDC)/PMDC Speed Control by PWM with RPM Display Auto Selection of Optimum Power from 4 Different Sources-Solar, Mains, Generator & Inverter to ensure no break power PC Controlled Surveillance Camera Buy Electronic Project Kits Online India These are some of the lists of online stores where you can place an order to buy electronic Project kits or components http://www.ebay.com/bhp/electronic-components-kit https://www.edgefxkits.com/ http://kitsnspares.com/ www.sparkfun.com http://www.freetronics.com/collections/kits http://in.element14.com/ http://www.jameco.com/ http://www.ventor.co.in/ http://robokits.co.in/shop/ http://embeddedmarket.com/ http://www.canakit.com/ http://www.onlinetps.com/ http://www.bhashatech.com/ http://uk.farnell.com/ http://www.digibay.in/ http://hobby2go.com/ http://www.dnatechindia.com/ http://potentiallabs.com/ http://www.tenettech.com/ http://www.anandtronics.com/ http://www.nex-robotics.com/ http://in.mouser.com/ http://www.mathaelectronics.com/ http://www.simplelabs.co.in/ Therefore, this is all about 8051 microcontroller projects and online sites for electronics project kits. 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