1. SUBMITTED BY EDGEFX TEAM
A MICROCONTROLLER BASED CONTROL OF CURRENT SOURCE CONVERTER FED REVERSING INDUCTION MOTOR DRIVE BY REMOTE CONTROL. IDEAL FOR EXHAUST FANS TO THROW AIR OUT AND BRING AIR IN BY REMOTE AS DESIRED
SUBMITTED BY
EDGEFX TEAM

2. ABSTRACT
The microcontroller receives the Infrared Signal from the TV remote, the code of which is identified by the IR receiver depending on which it switches ON/OFF the appropriate relay or TRIAC for a split phase induction motor to achieve desired direction.
The Range of the system is up to 10 meters. The project can also be used to switch ON/OFF electrical devices of maximum load current of 5A by minor alteration.

3. BLOCK DIAGRAM

4. HARD WARE EQUIPMENTS POWER SUPPLY BLOCK
MICROCONTROLLER (AT89S52/AT89C51)
LED
RELAY
ULN2003
TSOP1738 RECEIVER
1N4007
RESISTOR S & CAPACITORS

6. 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.

7. EMBEDDED SYSTEMS

8. AT89S52 MICRO CONTROLLER Compatible with MCS®-51 Products
8K Bytes of In-System Programmable (ISP) Flash Memory
4.0V to 5.5V Operating Range
Crystal Frequency MHZ
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
AT89S52

9. PIN DIAGRAM OF AT89S52

10. LED LEDs are semiconductor devices are made out of silicon
When current passes through the LED, it emits photons as a byproduct. Normal light bulbs produce light by heating a metal filament until its white hot
LEDs present many advantages over traditional light sources including lower energy consumption, longer lifetime, improved robustness, smaller size and faster switching

11. TSOP 1738 RECEIVER PIN DIAGRAM
It’s a standard IR remote control
receiver
supporting all major transmission codes
Pin1 – Connected to Ground
Pin2 – Connected to Vcc
Pin3 – Output Pin
In Between 1st Pin and 2nd Pin we have
to connect one Capacitor
TSOP 1738 Receives 14—bit of data

12. TSOP 1738 FEATURES Photo detector and preamplifier in one package
Internal filter for PCM frequency
TTL and CMOS compatibility
Output active low
Low power consumption
High immunity against ambient light
Continuous data transmission possible (up to 2400 bps)
Suitable burst length .10 cycles/burst

13. RELAY IT IS A ELECTRO MAGNETIC SWITCH
USED TO CONTROL THE ELECTRICAL DEVICES
COPPER CORE MAGNETIC FLUX PLAYS MAIN ROLE HERE

14. Relay Driver ULN2003 ULN is Relay driver application
The ULN2003 is a monolithic high voltage and high current Darlington transistor arrays.
It consists of seven NPN Darlington pairs that features high-voltage outputs with common-cathode clamp diode for switching inductive loads.
The collector-current rating of a single Darlington pair is 500mA.
The Darlington pairs may be paralleled for higher current capability.

15. Contd … The ULN functions as an inverter.
If the logic at input 1B is high then the output at its corresponding pin 1C will be low.

16. SOFTWARE REQUIREMENTS
PROGRAMMING LANGUAGES Embedded C , ALP (Assembly Language) COMPILERS: Keil 2.0/3.0uv DUMPING SOFT WARE: Using Micro controller flash Software we are dumping our HEX Code into Micro Controller

17. KEIL COMPILER WINDOW

18. BIBILOGRAPHY
The Microcontroller and Embedded systems” by Muhammad Ali Mazidi and Janice Gillispie Mazidi , Pearson Education.
ATMEL 89S52 Data Sheets.

19. THANK ‘Q’