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Defense surveillance robot full report


Posted by: seminar topics
Created at: Sunday 21st of March 2010 12:14:45 AM
Last Edited Or Replied at :Sunday 21st of March 2010 12:14:45 AM
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During accesses to external data memories that use 8-bit addresses (MOVX @ RI), Port 2 emits the contents of the P2 Special Function Register. Port 2 also receives the high-order address bits and some control signals during Flash programming and verification.
Port 3
Port 3 is an 8-bit bidirectional I/O port with internal pull-ups. The Port 3 output buffers can sink/source four TTL inputs. When 1s are written to Port 3 pins, they are pulled high by the internal pull-ups and can be used as inputs. As inputs, Port 3 pins that are externally being pulled low will source current (IIL) because of ..................[:=> Show Contents <=:]



Study the working of half adder for two binary digits addition


Posted by: seminar class
Created at: Friday 13th of May 2011 06:15:21 AM
Last Edited Or Replied at :Friday 13th of May 2011 06:15:21 AM
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supply +5V DC, connecting wires, soldering iron, cutter etc.
Circuit diagram


Procedure –
1) Solder the circuit on the given board.
2) Connect respective pins of each gate to the corresponding pins of other gate.
3) Connect the outputs ‘sum’ and ‘carry’ to two LEDs.
4) Apply different combinations of inputs as per truth table and note down the corresponding change in the outputs of the circuit.
5) Tabulate the readings.
Brief theory – half adder is logic circuit, which can add two binary digits at a time. In half ..................[:=> Show Contents <=:]



GSM MODEM PIC16F877Acontroller


Posted by: seminar class
Created at: Friday 22nd of April 2011 11:11:28 PM
Last Edited Or Replied at :Friday 22nd of April 2011 11:11:28 PM
project is based on gsm modem pic16f877a controller, project is based on gsm modem pic16f877a controller circuit , gsm modem pic16f877a controller, pic16f877a controller , pin diagram of pic16f877a controller,
every one is equipped with a mobile now a days, so it gives a great flexibility & cost effective solution to control the devices through SMS
1.1 COMPONENTS USED:
 Power Supply 5v DC - 7805
 Step Down Transformer - 12V/500mA
 Diode - 1N4007
 Capacitor - Electrolytic/Ceramic
 PCB - General Purpose Phenolic
 Microcontroller - PIC16F877A
 Crystal - 12 mhz
 MAX 232 - For Serial Communication
 GSM Transmitter and Receiver
 RELAY - For driving load
 RELAY Driver - ULN2803
 LED - Red Color for Indication
2.0 Microcontr..................[:=> Show Contents <=:]



PC BASED MANUAL GUIDED VEHICLE USING RF WIRELESS TECHNOLOGY


Posted by: seminar class
Created at: Wednesday 06th of April 2011 05:21:16 AM
Last Edited Or Replied at :Wednesday 06th of April 2011 05:21:16 AM
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esented robot control system can be used for different sophisticated robot applications. The control system consists of an RF transmitter and receiver, a microcontroller that collects data from the RF receiver and controls the robot.
The RF modules used here are STT-433 MHz Transmitter, STR-433 MHz Receiver, HT640 RF Encoder and HT648 RF Decoder. The controlling of the robot is done by providing the input from the PC at the transmitter. The microcontroller, at the transmitter side, accepts the input from the keyboard and passes this data to the RF transmitter.
At the receiving end, the RF r..................[:=> Show Contents <=:]



PRODUCT COUNTER


Posted by: seminar class
Created at: Friday 25th of March 2011 05:59:08 AM
Last Edited Or Replied at :Friday 25th of March 2011 05:59:08 AM
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(a, b, c, d, e, f, g) illuminate the proper segments in a seven segment display device used for representing the decimal numbers 0 to 9. The 7 segment outputs go high on selection.
..................[:=> Show Contents <=:]



PIN DIAGRAM OF IC LM317


Posted by: project report helper
Created at: Monday 04th of October 2010 06:49:11 AM
Last Edited Or Replied at :Monday 04th of October 2010 06:49:11 AM
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PIN DIAGRAM OF IC LM..................[:=> Show Contents <=:]



fingure print attendence system circuit diagram


Posted by: ramandeep
Created at: Thursday 12th of August 2010 10:07:34 PM
Last Edited Or Replied at :Friday 17th of September 2010 03:41:55 AM
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plzzzzzzzzzzzzzzzz..................[:=> Show Contents <=:]



Defense surveillance robot full report


Posted by: seminar topics
Created at: Sunday 21st of March 2010 12:14:45 AM
Last Edited Or Replied at :Sunday 21st of March 2010 12:14:45 AM
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RF TRANSMITTER AND KEYPAD CIRCUIT
Fig. 3.3 RF TRANSMITTER CIRCUIT
This is the radio frequency Transmitter circuit. The circuit contains mainly two components RF transmitter module which is embedded circuit, and encoder IC HT640. Keypad is connected to 5 data pins of encoder IC when key is pressed data pin gets logic high signal that is vcc +5v.So this 8 bit data is encoded in to single data and transmitted via RF Tx module as radio frequency signal.
3.4 555 ASTABLE (38 KHZ IR EMITTER) CIRCUIT
Fig. 3.4 555 ASTABLE CIRCUIT
A 555 timer is used to generate the signal of frequency 38 kHz. Th..................[:=> Show Contents <=:]



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