Discotheque light stroboscopic flasher
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DISCOTHEQUE LIGHT STROBOSCOPIC FLASHER. SUBMITTED BY EDGEFX TEAM. ABSTRACT. Stroboscopic lighting effects for discotheques are achieved by conventional White Light Emitting Diode (LED) replacing the discharge lamps for higher efficiency and low cost

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DISCOTHEQUE LIGHT STROBOSCOPIC FLASHER

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Discotheque light stroboscopic flasher

DISCOTHEQUE LIGHT STROBOSCOPIC FLASHER

SUBMITTED BY

EDGEFX TEAM


Abstract

ABSTRACT

  • Stroboscopic lighting effects for discotheques are achieved by conventional White Light Emitting Diode (LED) replacing the discharge lamps for higher efficiency and low cost

  • microcontroller is engaged to provide such effect being driven by a MOSFET for a cluster of LEDs.


Block diagram

BLOCK DIAGRAM


Hard ware equipments

HARD WARE EQUIPMENTS

  • POWER SUPPLY BLOCK

  • MICROCONTROLLER (AT89S52/AT89C51)

  • LED

  • PWM

  • MOSFET

  • BC547

  • 1N4007

  • RESISTORS & CAPACITORS


Embedded systems

EMBEDDED SYSTEMS

Definition for :- EMBEDDED SYSTEMS

  • A combination of hardware and software which together

    form a component of a larger machine.

  • An example of an embedded system is a microprocessor that

    controls an automobile engine.

  • An embedded system is designed to run on its own without

    human intervention, and may be required to respond to

    events in real time.


Embedded systems1

EMBEDDED SYSTEMS


Micro controller

MICRO CONTROLLER

AT89S52

  • Compatible with MCS®-51 Products

  • 8K Bytes of In-System Programmable (ISP) Flash Memory

  • 4.0V to 5.5V Operating Range

  • Crystal Frequency 11.0592MHZ

  • Three-level Program Memory Lock

  • 256 x 8-bit Internal RAM

  • 32 Programmable I/O Lines

  • Three 16-bit Timer/Counters

  • Eight Interrupt Sources

  • Full Duplex UART Serial Channel

  • Watchdog Timer


Pin diagram of at89s52

PIN DIAGRAM OF AT89S52


Discotheque light stroboscopic flasher

PWM

  • The PWM switching frequency has to be much faster than what would affect the load, which is to say the device that uses the power.

  • The term duty cycle describes the proportion of on time to the regular interval or period of time;

  • a low duty cycle corresponds to low power, because the power is off for most of the time. Duty cycle is expressed in percent, 100% being fully on.


Pwm applications

PWM APPLICATIONS

  • Telecommunications

  • Power delivery

  • Voltage regulation

  • Audio effects and amplification.


Mosfet

MOSFET

Metal–Oxide–Semiconductor field-effect transistor (MOSFET, MOS-FET, or MOS FET)

MOSFET is a device used for amplifying or switching electronic Signals


Mosfet as a switch p type n type mosfet

MOSFET as a switch & P- Type , N-Type MOSFET


Bc547

BC547

  • The BC547 transistor is an NPN Epitaxial Silicon Transistor.

  • The BC547 transistor is a general-purpose transistor in small plastic packages.

  • It is used in general-purpose switching and amplification BC847/BC547 series 45 V, 100 mA NPN general-purpose transistors.

  • Whenever base is high, then current starts flowing through base and emitter and after that only current will pass from collector to emitter


Bibilography

BIBILOGRAPHY

  • The 8051 Microcontroller and Embedded systems” by Muhammad Ali Mazidi and Janice Gillispie Mazidi , Pearson Education.

  • ATMEL 89S52 Data Sheets.

  • www.atmel.com

  • www.beyondlogic.org

  • www.wikipedia.org

  • www.howstuffworks.com

  • www.alldatasheets.com


Bibilography1

BIBILOGRAPHY

  • The 8051 Microcontroller and Embedded systems” by Muhammad Ali Mazidi and Janice Gillispie Mazidi , Pearson Education.

  • ATMEL 89S52 Data Sheets.

  • www.atmel.com

  • www.beyondlogic.org

  • www.wikipedia.org

  • www.howstuffworks.com

  • www.alldatasheets.com


Discotheque light stroboscopic flasher

THANK ‘Q’


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