Put coin draw power
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This document summarizes a presentation on a "Put Coin Draw Power" circuit. The circuit uses a coin detection sensor and microcontroller to detect coins inserted, count the value, and provide power to a load until the coin value is depleted. When the load switch is closed, the coin count on a 7-segment display decrements until it reaches zero, at which point the relay disconnects the load. The circuit has applications in places like hotels, game consoles, and cafes to provide prepaid power. It allows power to be drawn by inserting coins or tokens into the device.
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This presentation consists the speed control of a dc motor using hardware (microcontroller) by changing the reference voltages logically and minimising errors.
STREET LIGHT THAT GLOWS ON DETECTING VEHICLE MOVEMENT
This document describes a street light system that detects vehicle movement and automatically turns lights on and off to save energy. It uses a microcontroller, light dependent resistors as sensors, and a driver IC to control the street lights. When a vehicle is detected by the changing light levels sensed by the LDRs, the microcontroller turns on lights ahead of the vehicle. As the vehicle passes, the trailing lights are turned off. This allows energy to be saved by only illuminating the portion of the street currently in use. The system provides energy savings for street and highway lighting applications.
Street light controlling using Microcontroller
This document describes a street light system that glows upon detecting vehicle movement. It uses a microcontroller, light sensors, and a driver IC to control street lights. When a vehicle is detected by the light sensors, the microcontroller turns on lights ahead of the vehicle. As the vehicle passes, the trailing lights are turned off to save energy. The system provides energy savings by only illuminating the necessary lights.
Prepaid energy meter with theft detection
This document describes a prepaid energy meter system with theft detection. The system uses a microcontroller and GSM module to allow users to pay for electricity in advance, monitor their balance, and detect any internal or external theft. When theft is detected or the balance reaches zero, the system cuts power and sends alerts. It provides benefits like upfront payment, lower costs for utilities, and budgeting for consumers. The project is functioning well in testing but may require modifications for commercial use.
Welcome to International Journal of Engineering Research and Development (IJERD)
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4 Way traffic controll new
This document summarizes a student project report on developing a microcontroller-based traffic light controller. It describes using an AT89C51 microcontroller programmed to control LED traffic lights through four phases to regulate traffic flow at an intersection. The circuit diagram and hardware components are explained, including a power supply, microcontroller, LEDs, 7-segment display, and common cathode configuration. Software and timing of the four light phases are also outlined to coordinate traffic flow from four directions through the intersection.
ELECTRONIC CIRCUIT BREAKER
Here an electronic circuit breaker is designed which is based on the current sensing across a series element typically a CT (current Transformer). The current sensed which is compared against the preset value proportional to the voltage by comparator which is inbuilt in arduino to generate an output that drives a relay through a MOSFET to trip the load very fastly.
The concept of electronic circuit breaker came into focus realizing that the conventional circuit breakers such as MCBs take longer time to trip.
The steadily increasing population has more demand and consumption of electric energy in the market as raised and that of equipment’s used like electrical and electronics are also costlier
So to protect the electrical system from overload or short circuit here is one possibility, which is by ultrafast acting electronic circuit breaker
The electronic circuit breaker is based on the voltage drop across a series element proportional to the load current, typically a low -value resistor.
5 FINAL PROJECT REPORT
This document describes a pulse counter circuit using an AT89C4051 microcontroller. It includes a circuit schematic and descriptions of the major components used, including the AT89C4051 microcontroller, MAX232 RS-232 driver, 7805 voltage regulator, LCD display, 11.0592MHz crystal, and other passive components. The circuit uses the microcontroller to count input pulses and display the count on the LCD. Hardware and functionality of the components are explained in detail.
prepaid energy meter
This document discusses prepaid energy meters. It begins by defining an energy meter and a prepaid energy meter. It then explains the components of a prepaid energy meter, including an EEPROM IC, AT89S52 microcontroller, LCD display, ULN2003 driver, and AT2402 chip. The document outlines how these components work together to allow customers to pay for electricity upfront via a prepaid card system, monitor their usage, receive low balance alerts, and have their power automatically disconnected if credit runs out. Prepaid energy meters provide benefits to both utilities and consumers like budgeting, reduced overhead and billing hassles, and load control.
IRJET- Electric Car Charging Station: A Review
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The charging station model uses various electronic components like a step-down transformer, bridge rectifier, Arduino, dual power supply, battery, energy meter, and LCD display to convert high voltage to low voltage for charging electric vehicle batteries. It analyzes the performance of the charging station and discusses the growth of the electric car industry and increasing demand for charging stations. The document provides a circuit diagram and descriptions of the various components used in the charging station design.
7380969 Line Follower Using At89c51
The document provides a summary of a student project on a line follower robot. It includes:
1) An acknowledgement section thanking various professors and advisors for their support and guidance.
2) An index listing the sections of the project report, including the introduction, sensors, microcontroller, motor driver, source code, and conclusions.
3) A brief introduction explaining what a line follower robot is and the basic components used in the project, including infrared sensors, a microcontroller, and a motor driver.
sms based speed change of motor or fan
This project presentation summarizes an SMS-based system for remotely controlling the speed of a motor or fan. The system uses a microcontroller connected to a GSM modem to receive SMS commands and control a relay connected to the motor/fan. Key components include a power supply, microcontroller, GSM modem, LCD display, and relay. The system allows a user to send SMS messages from their phone to change the speed of the connected device remotely without needing to be physically present at the switchboard.
BHH POWER PLANT ppt.pptx
early 1871 Belgian inventor Zénobe Gramme invented a generator powerful enough to produce power on a commercial scale for industry.[1]
In 1878, a hydroelectric power station was designed and built by William, Lord Armstrong at Cragside, England. It used water from lakes on his estate to power Siemens dynamos. The electricity supplied power to lights, heating, produced hot water, ran an elevator as well as labor-saving devices and farm buildings.[2]
In January 1882 the world's first public coal-fired power station, the Edison Electric Light Station, was built in London, a project of Thomas Edison organized by Edward Johnson. A Babcock & Wilcox boiler powered a 93 kW (125 horsepower) steam engine that drove a 27-tonne (27-long-ton) generator. This supplied electricity to premises in the area that could be reached through the culverts of the viaduct without digging up the road, which was the monopoly of the gas companies. The customers included the City Temple and the Old Bailey. Another important customer was the Telegraph Office of the General Post Office, but this could not be reached through the culverts. Johnson arranged for the supply cable to be run overhead, via Holborn Tavern and Newgate.[3]
In September 1882 in New York, the Pearl Street Station was established by Edison to provide electric lighting in the lower Manhattan Island area. The station ran until destroyed by fire in 1890. The station used reciprocating steam engines to turn direct-current generators. Because of the DC distribution, the service area was small, limited by voltage drop in the feeders. In 1886 George Westinghouse began building an alternating current system that used a transformer to step up voltage for long-distance transmission and then stepped it back down for indoor lighting, a more efficient and less expensive system which is similar to modern systems. The war of the currents eventually resolved in favor of AC distribution and utilization, although some DC systems persisted to the end of the 20th century. DC systems with a service radius of a mile (kilometer) or so were necessarily smaller, less efficient of fuel consumption, and more labor-intensive to operate than much larger central AC generating stations.early 1871 Belgian inventor Zénobe Gramme invented a generator powerful enough to produce power on a commercial scale for industry.[1]
In 1878, a hydroelectric power station was designed and built by William, Lord Armstrong at Cragside, England. It used water from lakes on his estate to power Siemens dynamos. The electricity supplied power to lights, heating, produced hot water, ran an elevator as well as labor-saving devices and farm buildings.[2]
In January 1882 the world's first public coal-fired power station, the Edison Electric Light Station, was built in London, a project of Thomas Edison organized by Edward Johnson. A Babcock & Wilcox boiler powered a 93 kW (125 horsepower) steam engine that drove a 27-tonne (27-long-ton) generator. This supplk
Speed Control of DC motor using AT89C52 IC
This document describes a project to control the speed of a DC motor using pulse width modulation (PWM) generated by an AT89C52 microcontroller. The document outlines the purpose, components, circuit diagram, programming, and workflow. Key components include an AT89C52 microcontroller, L293D motor driver, DC motor, voltage regulator, and buttons. PWM signals of varying duty cycles control the motor's speed. Code uses timers to generate PWM and buttons to select speed. The summary provides an overview of the goal and approach.
Ctara report
This document describes two devices for measuring water levels in dug wells: a mechanical device and an ultrasonic (SONAR) device.
The mechanical device uses a float attached to the device by a wire to measure depth. As the float sinks and the wire plays out, a sensor counts rotations of a pulley to calculate depth. When the float touches water, a circuit is completed to signal the reading.
The SONAR device uses an ultrasonic sensor to measure distance to the water surface by emitting a pulse and measuring the echo return time. The sensor's range is increased using a parabolic reflector to concentrate the acoustic beam. Both devices aim to be low-cost, portable, and battery-powered for
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Put coin draw power
- 1. Poornima University Department of Electrical Engineering Presentation on Put Coin Draw Power 2016-2017 Submitted To: Submitted By: Purushottam Kumawat Devanshu Lama Amarnath Amit Kumar Sunil Kumar
- 2. Contents Introduction Components use Circuit diagram Block diagram Working of components Working principle Application Scope of work Limitation References
- 3. Introduction Importance of power Power availability Alternative of portable of power
- 4. Working Principle Microcontroller based device. In this device we make a system which is collect the coins and give electricity equivalent the coins. Use of coin detecting sensor which is detecting the coins. When you close the load switch provided in the circuit, the energies to connect the load and the coin count on display starts decrementing. When the count decrements to zero, the relay de-energies to disconnect the load.
- 5. Components Components Specification IC1 NE556 DUAL TIMER IC2 AT89C2051 MICROCONTROLER IC3 CD45117-SEGMENT DECORDER/DRIVER IC4 7805 5V REGULATOR IC5 7806 6V REGULATOR T1, T2 1N4007 RECTIFIER DIOD LED1-LED5 5mm LED RESISTOR (ALL ¼-WATT, +-5% CARDON) R1 220-Ohm R2 33kilo-ohm
- 6. Components Components Specification R3 220-kilo-ohm R4, R7, R9, R225 330-ohm R5, R8 1kilo-ohm R6 10 kilo-ohm R10- R16 270-kilo-ohm R17- R24 4.7 kilo-ohm
- 7. Circuit Diagram Figure 1:Put Coin Draw Power Circuit Diagram
- 8. Block Diagram figure no 2: Put Coin Draw Power Block Diagram
- 9. Applications Use in Hotels, Lodges, Guest House, Rest House. Use in Game Consoles. Public Services such as cyber café, music stations, automatic mobile charging points.
- 10. Scope For Advancement: Using pre-paid card in place of token/coin to make more advanced system.
- 11. Features This system uses a sensor for detecting the coin or token Microcontroller counts the number of coins/token and shows the count on a seven segment display. When load switch is closed the relay connects the load and the coin count on display, starts decrementing. When the count decrement to zero the relay de-energies to disconnects the load Easy to Install. Any metal token can be used.
- 14. THANK YOU