8051 Projects

8051 Projects

8051 Embedded C___8051 Assembly Projects
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DC Motor Speed Control Using 8051 Microcontroller

Wireless Speed Control Of DC Motor Using 8051 Microcontroller And Android Phone

Password Based Door Lock System

Gas Leak Detection

Home Security System Using  Temperature Sensor And 8051 Microcontroller(Home Security Automation System Using Temperature And Humidity Sensor)

Electronic Voting Machine(EVM) Using 8051

Snake Game Using 8051

Bluetooth Home Automation System

Internet Based 8051 Home Automation (8051 IOT)

Realistic Police / Ambulance Sound Generation

Audio Player Using 8051

Token Display System (Queue Management System With Display And Voice Assistant)

Solar Tracker Using 8051

Fire Alert System Using 8051 Microcontroller

Digital Clock Using Microcontroller

Digital Clock Using 8051 Microcontroller

Automatic Door Operation Using 8051

Temperature Controlled DC Fan Using 8051 Microcontroller

Dust Level Indicator

Automatic Street Lighting

Robotic Car Using 8051 Microcontroller & L293D

Water Level Indicator

Electronic Voting Machine Using 8051 Microcontroller

Rfid Based Car Parking System

Automatic Street Light

Traffic Lights With 8051

Traffic Light System Using 8051

Radio Controlled Car

Password Based Door Lock System

Interfacing Soil Moisture Sensor

Object Detection Using Ultrasonic Sensor

Automatic Street Light Control Using Microcontroller

Line Follower Robot

Water Level Indicator

Automatic Doorbell With Object Detection

Fire Alert System

Water Level Indicator

Gas Leakage Detection Using Gas Sensor And 8051

Traffic Light Control

Water Level Indicator

Stepper Motor Interfacing

8051 Basic Calculator Operation

Air Quality Management System
Gas Sensor Interfacing With 8051 Microcontroller Digit

Fire Alert System Using 8051 Microcontroller

Home Security System Using  Temperature Sensor And 8051 Microcontroller(Home Security Automation System Using Temperature Sensor)

This project can monitor Temperature, Gas/IR Sensor And Intruder 

BRIEF WORKING OF CIRCUIT:

A home security system using an 8051 microcontroller circuit contains sensors, LCD Display, Virtual Terminal and a buzzer. The microcontroller processesinputfromsensorsliketemperaturesensorsorGas or IR sensors to detect fire or gas leakage or an intruder. Based on this input, it sends signals to the LM016 LCD display, the buzzer makes a sound and thereafter a message is displayed in the virtual terminal.

CONCLUSION:

In conclusion, a home automation system using a microprocessor 8051 can offer several benefits such as improved security, energy efficiency, and convenience. The system can be designed and implemented using various hardware and software components such as sensors, actuators, microcontrollers, and development tools like Keil and Proteus. The working of the system involves sensing the environment through sensors, processing the data using the microprocessor, and controlling the output devices using actuators. With proper implementation and programming, this system can effectively automate various tasks in a home, making it more comfortable and secure for the occupants.

ELECTRONIC VOTING MACHINE USING 8051 MICROCONTROLLER

MAIN COMPONENTS OF CIRCUIT:

AT89C51Microcontroller:

The AT89C51 is an 8-bit microcontroller from the 8051 series. The Atmel 89C51 contains 128 bytes of RAM and4KB of Flash programmable and erasable read onlymemory(PEROM).It canbe programmedandwipeda totalof1000times. P1, P2,P3,and P0arethefourports on the AT89C51's 40 pins. When connected to an external memory, ports P0 and P2 are also used to supply low and high byte addresses, respectively. Special capabilities such as serial transmission, hardware interrupts, timer inputs, and read or write operations from external memory are all supported by multiplexed pins on Port 3.

LCD:

LCD(LiquidCrystal Display)screensare electrical displaymodulesthatcanbeusedinavariety of ways. A 16x2 LCD can display 16characters per line on each of its two lines. Eachcharacter is presented ina 5x7 pixel matrix on this LCD. Command and Data are the two

registers on this LCD. The LCD command instructions are stored in the command register. A command tells the LCD to perform a certain activity, such as initialising it, cleaning its screen,settingthecursorlocation,managingthe display, and so on. The data to be displayed on the LCD is stored inthe data register. The ASCII value of the character to be displayed on the LCD is the data.

BRIEFWORKINGOFCIRCUIT:

TomakethePollswitchesavailableforvoting,thePollInitialswitchmustbepressedfirstafterwhich the client is incited to vote a ballot. The include ofvotes is put away in fourunique factors. When theclient votes in favour of a candidate by pressing one of the switches, the worth of the relating variable isexpanded by one. After thisa“Thank you” messageis shown on LCD to recognize the enlistment ofclient’svote.Toallowthenextcontestanttovote,theinitialswitchmustbehiteverytime.Andthe sameprocessisrepeatedforeveryvoter.Afterthecompletionofvoting,tochecktheresultinstantly, the result button is pressed, the names of the candidates are shown alongside their vote counts, the outcome is shown which could be either statement of winning or the competitors with a conflict of theirnumber of votes.

CONCLUSION:

One of the best examples of a Microcontroller application is voting or polling device. The results of thepoll may be displayed quickly and monitored from time to time during the polling period, which is aunique featureof this voting system based on8051 microcontrollers.This voting system was constructed using an 8051 microcontroller and six push buttons. In this arrangement, polls 1 through 4were allotted toa totalofFOURcontestants. Topreventvotersfromvotingmultipletimes,a poll control switch was introduced, which should be controlled by the poll supervisor. The candidates forwhom they had voted were displayed on an