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1. REMOTE CONTROLLED
EMBEDDED SYSTEM
VIA INTERNET
9540854414
tecnocrats Infotech 9540854414

2. By
Arpit Gupta (T3083011)
Gaurav Kulkarni (T3083077)
Venkatesh Iyer (T3083057)
Under the able guidance of
Mrs. Smita Daphale
tecnocrats Infotech 9540854414

3. INTRODUCTION
tecnocrats Infotech 9540854414

4.  NEED FOR AUTOMATION.
 REMOTE SENSING OF A ROBOT.
 USE OF INTERNET.
 WHY PICK AND PLACE?
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5. tecnocrats Infotech 9540854414

6. LITERATURE SURVEY
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7. tecnocrats Infotech 9540854414

8.  Construction Works.
 Nuclear Power Plants.
 Steel Plants.
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9. SPECIFICATIONS
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10.  Microcontroller : AVR ATmega32
 Temperature Sensor : LM 35 , 10mV/C
 LCD : 16 x 2
 Motor Driver : L298.
 Type of Motor : DC
 Battery : Voltage : 12 V
 Maximum o/p current : 3.36 A
 Charging Time : 1.2 Ah
tecnocrats Infotech 9540854414

11.  Dimensions of Robot (approx)
Length : 25 cm
Width : 30 cm
Height : 35 cm
Length of arm : 30cm
 Left ,Right motor : 10 rpm ,12V ,2 kg
 Other motor : 30 rpm ,12V ,1 kg
 Total Load Capacity of the robot : 4 kg
tecnocrats Infotech 9540854414

12. 8051
 8 bit micro based on  8 bit micro based on
CISC architecture. RISC architecture.
 8051 family is slower  AVR's are fast,
as compared to AVR. consume little power,
 Does not have a ADC. are rugged.
 It has an inbuilt 10-bit
 Instruction set is large.
ADC.
 Instruction set is
 JTAG interface absent. simple and compact.
 JTAG interface present.
AVR
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13. tecnocrats Infotech 9540854414

14. START
B
INITIALISE THE UART & ADC
ACCEPT COMMAND
FROM SERVER PC
CHOIC
E
FORWAR GRIPPING
D CIRCULA VERTICAL
OF R STOP
/REVERS ROBOTIC MOTION
E MOTION
ARM
MOTION
A tecnocrats Infotech 9540854414

15. A
READ
TEMPERATURE
FROM SENSOR
CONVERT TO DIGITAL VIA ADC
SEND DATA TO RXD
O/P DATA
TO LCD B
END No
COMMUNICATIO
N
Yes
STOP
tecnocrats Infotech 9540854414

16. Basic working
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17. Yes No
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18. tecnocrats Infotech 9540854414

19.  Remote Terminal
 Used for an authorised client‟s access to robot.
 Has a JAVA based client applet running on it.
 Moniters the temperature.
 Controls the motions of robot.
 Server Machine
 Acts as an intermediate between robot and user
.
 Has a JAVA based server applet running on it.
 Connected via RS-232 to robot.
tecnocrats Infotech 9540854414

20.  Microcontroller (AVR Atmega 32)
 Converts analog signal from sensor to digital.
 Sends digital data via UART to server PC.
 Receives control code from user through
server.
 Controls robot as per the received code.
 Detects errors ,if any and sends it to LCD.
 Temperature Sensor(LM 35)
 Is a Precision Centigrade Temperature Sensor
with a sensitivity of 10mV/C.
 Senses temperature and converts into
equivalent analog voltage between -550 to 1500
mV.
tecnocrats Infotech 9540854414

21.  SCHEMATIC
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22.  Motor
 Motor used is a DC motor with an output of
1.18W and operates in 6-12V range.
 Motor is controlled by an H-bridge in the
driver.
 Driver(L298)
 Is an interface between low power(AVR) and
high power(motor) devices.
 Contains an inbuilt H-bridge controlled by
AVR.
 LCD
 Used to display temperature and to detect
errors in the robot control.
tecnocrats Infotech 9540854414

23. REFERENCES
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24. 
“8051 micro-controller and embedded systems”, M.Mazidi.
 “8051 micro-controller architecture”, Kenneth Aayala
 Electronic For You
 „Electronics design‟ magazine
 www.dogpile.com
 www.howstuffworks.com
 www.google.com
 www.weikipedia.com
 www.nationalsemiconductor.com
 www.datasheet4u.com
 www.encyclopediaofelectronics.com
 www.figaro.com
tecnocrats Infotech 9540854414