13-12-2009, 04:44 PM
TELE-REMOTE SWITCHING: The set of four electrical devices can be controlled remotely by using
mobile/landline phone at the transmitting and receiving end. One can make a call and activate devices
of its choice.
TELE-REMOTE SWITCHING WITH VOICE MESSENGER: The set of four electrical devices can be
controlled remotely by using mobile/landline phone at the transmitting and receiving end. One can
make a call and activate devices of its choice.
It will gives voice message to the operator to select the devices by name. It may confirm the actual
switching when controlled by person.
TELEPHONE ANSWERING MACHINE: - The project is intended to provide a simple recording and
answering machine, which in the absence of the owner of the telephone instrument, responds to the
incoming calls and also record them automatically. (10-184)
TELEPHONE CALL RECORDER: - This simple timer circuit gets it activated when it receive any
telephone call or any signal transfer to tape recorder. (16-125)
TELECONVERSATION LIMITER: - A 10 LED display system will make the conversation "be brief on
phone" as time laps indication. (15-56)
TELEPHONE MESSAGE CONVEYOR: Anyone will get the pre-recorded message stored in a digital
chip as voice playback system. One can record message of its own. One can put an introductory
message on it.
A good example of IVRS (Interactive voice response System) to get informations by just pressing the
mobile/telephone keys.
TELEPHONE CALL METER: - It helps the user by converting the STD and ISD calls to equivalent
local calls and storing them.(18-82)
TELE-VOTING MACHINE WITH VOICE MESSAGE: The remote voting can be done with voice
message conveyor. The mobile/landline phone can be placed at transmitting and receiving end. One
can listen the voice message and than cast his vote to the selected candidate.
TELE-BANKING WITH VOICE MESSAGE: The remote MESSAGE can be sent with voice message
conveyor. The mobile/landline phone can be placed at transmitting and receiving end. One can listen
the voice message and than act accordingly like to open account, information for loans, ATMs etc. as
IVRS.
TELE-SECURITY SYSTEM FOR HOME: The home or any other area can be made fully secured using
this device. The Infrared sensor or microphone will activate the mobile or landline to redial your saved
number and intimate you instantly.
TELE-SECURITY SYSTEM WITH SWITCHING: The home or any other area can be made fully
secured using this device. The Infrared sensor or microphone will activate the mobile or landline to
redial your saved number and intimate you instantly. Apart from this, you may control the DOOR
remotely from your end to block the intruders exit from the premises.
TELE-METRY(TELE PULSE RATE COUNTER): The medical data can be remotely transmitted from
patient to doctor to diagnose at a distance. It may be the heart rate of the patient.
TELE-INDUSTRIAL AUTOMATION SYSTEM WITH VOICE RESPONSE
(FIRE/FUSE/FAULT/FAILURE “ 4F™S ETC): The fault indications can be remotely observed
using mobile or landline. The owner can remotely activate the device bearing fault if feels
necessary.
TELE- CAR LOCKING AND SEURITY SYSTEM: The car theft can be prevented by this circuit. The
device will intimate the theft on mobile phone and you will switch off the ignition or car immediately.
TELE-REMOTE ROBOTIC CAR/BOAT: The different robotic applications can be done using this
circuit including one to make a car OR boat. A mobile phone has to be placed on robotic car or boat
and can be operated by another mobile after making call. (08-06-68)
TELE-REMOTE MOBILE OPERATED TALKING ROBO: A mobile phone has to be placed on robotic
car and can be operated by another mobile after making call. The voice processor gives the audio
instructions that how to operate this.(08-06-68)
TELE-REMOTE MOBILE OPERATED BOMB DETECTOR: This vehicle will operate on mobile as
remote operation and it will check the bomb in the surface area with its metal detector placed in front of
it and inform on other mobile phone. (08-06-68)
TELE-MUTING SYSTEM: The project will be helpful for those who get annoyed if TV voice disturbs
while talking on landline phone. This will automatically mute the TV speaker with wire/wireless
connectivity of the sytem.
OTHER COMMUNICATION PROJECTS
TWO WAY INTERCOM (Op. Amp): - Two way communication is with calling facility with this compact
circuit. (12-166)
DIGITAL SPEECH SECURITY SYSTEM:- this DSSS system convert analogue signal to pulse code
modulated (PCM) digital form and is encrypted before transmission. The message again decrypted by
D to A conversion.(19-83)
MULTISTATION INTERCOM: - The four-line circuit can be connected with this arrangement. (14-75)
MULTICHANNEL CALL BELL WITH DIGITAL DISPLAY: - This is a simple circuit, which can be
useful in hospitals for the patients in different rooms to call the attendants or nurses on duty. It can also
be used in hotels and offices where many executives have to be attended to by a single attendant.(17-
05)
FM INTERCOM: The powerline voice communication for both sides provides an option to use mainline
(22Vac) to send and receive signals to communicate from both sides.
SINGLE CHIP-VOICE RECORDER: - This technology is a revolutionary multilevel storage technique
to record and play back sound-much like a tape recorder- on a single microchip. One can record eight
different voices in this.
VOICE MESSANGER: you can record your voice and the other person can listen the voice message
only putting the password.
POWER LINE COMMUNICATION “(A) VOICE TRANSMISSION
(B) DATA TRANSMISSION
© DEVICE CONTROLLER
(D) EVENT OBJECT COUNTER
(E) PREPAID ELECTICITY BILL
(H) HEART BEAT MONITOR
( I ) VOTING SYSTEM
DIGITALLY ADJUSTABLE TIMER: - A visual indication assures the uses in which time mode the
circuit is operating out of 10 stages.(8-105)
DIGITAL COUNTER OR DIGITAL SCORE BOARD: - A unique circuit that can count revolution of
motor in forward and reverse system. It can read till 999 in digits. (8-110)
DIGITAL FREQUENCY COUNTER CUM CLOCK: - A unique IC4033 based circuit can read
unknown frequency and can be used as stop watch and clock.
DIGITALLY ADJUSTABLE TIMER: - A visual indication assures the uses in which time mode the
circuit is operating out of 10 stages.(8-105)
AUTOMATIC DIGITAL ROOM LIGHT CONTROLLER:
It counts the persons that enter and operate the electric bulb only if the any person is IN.
DIGITAL IR VISITOR COUNTER-STOP WATCH: - This solid-state digital stopwatch display time
taken for an event in secondsâ„¢ upto 99. (4-110)
DIGITAL MESSAGE DISPLAY: - The SEVEN digit English alphabets (More are optional) can be
operated in a moving pattern using this device like WELCOME.
TRUTH TABLE EVALUATOR & K-MAP PLOTTER: - With this circuit you can evaluate the truth
table as well as plot Karnaugh map of any Boolean expression.(02-12-96)
ELECTRONIC DICE: - This electronics dice makes a Ëœthrowâ„¢ for you at the push of
button. The LED display looks as a conventional dice face. (5-12â€6-14â€10-148â€16-130)
DIGITAL DICE WITH NUMERIC DISPLAY: - In this circuit the timer IC 555 is wired
as an astable multivibrator that produces pulses at about 48KHz and it display a random
number. (98-09-83)
SOLID STATE ADVERTISEMENT DISPLAY: - A 5 even output letter word can be
display one by one switching off relay/traic operated bulb.(15-74)
CLASSROOM ADDRESSING AMPLIFIER: A circuit which helps the principal/teacher to address
from single source to add classes.
DIGITAL SPEED CONTROL OF DC MOTOR: - It controls the speed of DC motor by changing its
flux with digital control circuit. (14-124)
SOUND CONTROLLED MOTOR DIRECTION CONTROLLER: - A microphone amplifier with flip
flop circuit causes to change the motor direction. (97-12-54)
E-METER: - It checks the radiation from visual display unit. The high radiations from computer
monitor or TV may harm your eyes. The project check the level on the LED array unit.
PRESSURE MONITOR: - A 1mA meter is calibrated to measure 100 to 1000 ton mercury pressure
using analogue electronics circuit using op-amps.(4-88)
LED SCOPE: - Conventional CRO is replaced by this LED scope. Using 150 LEDs at display
module. The all types of waves viz. square, triangular and sine can be easily seen on this.(8-83â€16-
79)
DIGITAL CLOCK USING ORDINARY COMPONENT: - Using ordinary components, this is a basic
circuit showing how frequency oscillation can be divided to get accurate timing module.(3-34)
OPTICAL FIBRE / LASER VOICE COMMUNICATION: The one way/twoway voice
communication system using optical fibre as mode. One can speak from one end and listen the
voice at other end using IR as transmitter and photo-diode as receiver or vice versa.
OPTICAL FIBER / LASER BASED VOICE AND DATA COMMUNICATION
The one way voice and DTMF data communication system using optical fibre as mode. One can
speak or send data tone from one end and listen the voice at other end using IR as transmitter
and photo-diode as receiver and simultaneously see the data output at seven segment display.
OPTICAL FIBRE/LASER BASED VOICE ENCRIPTION AND DECRIPTION:
The prerecorded voice can be encrypted and sent through optical fibre at the other end. The
reciever end will decript the same voice and playback to the original one.
OPTICAL FIBRE/LASER BASED APPLIANCE SWITCHING SYSTEM: A Multiple or single
device control circuit can be operated with this circuit.
OPTICAL FIBRE/LASER BASED DC/AC MOTOR SPEED CONTROL : A PWM technique is
used to operate the dc or ac motor at a distance using IR or Laser as transmitting medium.
IR REMOTE TV/ HEADPHONES: - It enables you to listen sound of TV without disturbing
others. It has a transmitter and receiver antenna.(15-168)
IR OBJECT COUNTER USING CALCULATOR: - A simple eight-digit counter can be made by
this using any calculator with small circuit connected to it.
IR REMOTE CONTROL SWITCH: A single device can be remotely operated by this system. A
transmitter will transmit the IR frequency 38kHz and a matching receiver will receive the signal to
switch a relay to control device.
IR REMOTE CONTROL SWITCH BOARD: Four electrical device can be remotely operated by
this system. A transmitter with encoder circuit will transmit the IR frequency 38kHz and a
matching receiver will receive the signal to switch the relays to control devices.
IR ËœNO SMOKINGâ„¢ WARNER: It will give warning in audible form at no smoking zone. It may
sense the smoke and give audible indication.
IR / ULTRASONIC WIRELESS HOME SECURITY SYSTEM: It checks the unauthorized entry
through its IR or ultrasonic sensors. Or even microphone sensor will activate the RF transmitter
to send a signal at a distance.
IR/LASER NON-CONTACT DC/STEPPER MOTOR SPEED CONTROL: The motor (dc/stepper)
speed can be controlled remotely using IR transmitter / receiver circuit.
IR AUTOMATIC ROOM LIGHT CONTROLLER: An entry and exit sensors using infrared will
operate the connected light to save electricity. The digital up/down counter will display the
number of persons inside the hall and if nobody is there, the lights will go Ëœoffâ„¢.
ULTRASONIC MOTION DETECTOR: Any motion in and around ultrasonic sensing area will
activate the circuit and alarm will warn.
ULTRASONIC CAR REVERSE SENSOR/OBJECT DETECTOR: The project can be placed on
the back or front of car. It will give warning indication if the distance from wall decreases to a
certain level. It can be used as motion sensing alarm.
ULTRASONIC RADAR : It moves in 360 degree circular motion and detect the object in the near
by area and gives alarm indication.
ULTRASONIC GUN: It detect the object and fire instantly with electromagnetic gun connected
with it.
ULTRASONIC OBJECT COUNTER: It counts the number of persons going through its area.
mobile/landline phone at the transmitting and receiving end. One can make a call and activate devices
of its choice.
TELE-REMOTE SWITCHING WITH VOICE MESSENGER: The set of four electrical devices can be
controlled remotely by using mobile/landline phone at the transmitting and receiving end. One can
make a call and activate devices of its choice.
It will gives voice message to the operator to select the devices by name. It may confirm the actual
switching when controlled by person.
TELEPHONE ANSWERING MACHINE: - The project is intended to provide a simple recording and
answering machine, which in the absence of the owner of the telephone instrument, responds to the
incoming calls and also record them automatically. (10-184)
TELEPHONE CALL RECORDER: - This simple timer circuit gets it activated when it receive any
telephone call or any signal transfer to tape recorder. (16-125)
TELECONVERSATION LIMITER: - A 10 LED display system will make the conversation "be brief on
phone" as time laps indication. (15-56)
TELEPHONE MESSAGE CONVEYOR: Anyone will get the pre-recorded message stored in a digital
chip as voice playback system. One can record message of its own. One can put an introductory
message on it.
A good example of IVRS (Interactive voice response System) to get informations by just pressing the
mobile/telephone keys.
TELEPHONE CALL METER: - It helps the user by converting the STD and ISD calls to equivalent
local calls and storing them.(18-82)
TELE-VOTING MACHINE WITH VOICE MESSAGE: The remote voting can be done with voice
message conveyor. The mobile/landline phone can be placed at transmitting and receiving end. One
can listen the voice message and than cast his vote to the selected candidate.
TELE-BANKING WITH VOICE MESSAGE: The remote MESSAGE can be sent with voice message
conveyor. The mobile/landline phone can be placed at transmitting and receiving end. One can listen
the voice message and than act accordingly like to open account, information for loans, ATMs etc. as
IVRS.
TELE-SECURITY SYSTEM FOR HOME: The home or any other area can be made fully secured using
this device. The Infrared sensor or microphone will activate the mobile or landline to redial your saved
number and intimate you instantly.
TELE-SECURITY SYSTEM WITH SWITCHING: The home or any other area can be made fully
secured using this device. The Infrared sensor or microphone will activate the mobile or landline to
redial your saved number and intimate you instantly. Apart from this, you may control the DOOR
remotely from your end to block the intruders exit from the premises.
TELE-METRY(TELE PULSE RATE COUNTER): The medical data can be remotely transmitted from
patient to doctor to diagnose at a distance. It may be the heart rate of the patient.
TELE-INDUSTRIAL AUTOMATION SYSTEM WITH VOICE RESPONSE
(FIRE/FUSE/FAULT/FAILURE “ 4F™S ETC): The fault indications can be remotely observed
using mobile or landline. The owner can remotely activate the device bearing fault if feels
necessary.
TELE- CAR LOCKING AND SEURITY SYSTEM: The car theft can be prevented by this circuit. The
device will intimate the theft on mobile phone and you will switch off the ignition or car immediately.
TELE-REMOTE ROBOTIC CAR/BOAT: The different robotic applications can be done using this
circuit including one to make a car OR boat. A mobile phone has to be placed on robotic car or boat
and can be operated by another mobile after making call. (08-06-68)
TELE-REMOTE MOBILE OPERATED TALKING ROBO: A mobile phone has to be placed on robotic
car and can be operated by another mobile after making call. The voice processor gives the audio
instructions that how to operate this.(08-06-68)
TELE-REMOTE MOBILE OPERATED BOMB DETECTOR: This vehicle will operate on mobile as
remote operation and it will check the bomb in the surface area with its metal detector placed in front of
it and inform on other mobile phone. (08-06-68)
TELE-MUTING SYSTEM: The project will be helpful for those who get annoyed if TV voice disturbs
while talking on landline phone. This will automatically mute the TV speaker with wire/wireless
connectivity of the sytem.
OTHER COMMUNICATION PROJECTS
TWO WAY INTERCOM (Op. Amp): - Two way communication is with calling facility with this compact
circuit. (12-166)
DIGITAL SPEECH SECURITY SYSTEM:- this DSSS system convert analogue signal to pulse code
modulated (PCM) digital form and is encrypted before transmission. The message again decrypted by
D to A conversion.(19-83)
MULTISTATION INTERCOM: - The four-line circuit can be connected with this arrangement. (14-75)
MULTICHANNEL CALL BELL WITH DIGITAL DISPLAY: - This is a simple circuit, which can be
useful in hospitals for the patients in different rooms to call the attendants or nurses on duty. It can also
be used in hotels and offices where many executives have to be attended to by a single attendant.(17-
05)
FM INTERCOM: The powerline voice communication for both sides provides an option to use mainline
(22Vac) to send and receive signals to communicate from both sides.
SINGLE CHIP-VOICE RECORDER: - This technology is a revolutionary multilevel storage technique
to record and play back sound-much like a tape recorder- on a single microchip. One can record eight
different voices in this.
VOICE MESSANGER: you can record your voice and the other person can listen the voice message
only putting the password.
POWER LINE COMMUNICATION “(A) VOICE TRANSMISSION
(B) DATA TRANSMISSION
© DEVICE CONTROLLER
(D) EVENT OBJECT COUNTER
(E) PREPAID ELECTICITY BILL
(H) HEART BEAT MONITOR
( I ) VOTING SYSTEM
DIGITALLY ADJUSTABLE TIMER: - A visual indication assures the uses in which time mode the
circuit is operating out of 10 stages.(8-105)
DIGITAL COUNTER OR DIGITAL SCORE BOARD: - A unique circuit that can count revolution of
motor in forward and reverse system. It can read till 999 in digits. (8-110)
DIGITAL FREQUENCY COUNTER CUM CLOCK: - A unique IC4033 based circuit can read
unknown frequency and can be used as stop watch and clock.
DIGITALLY ADJUSTABLE TIMER: - A visual indication assures the uses in which time mode the
circuit is operating out of 10 stages.(8-105)
AUTOMATIC DIGITAL ROOM LIGHT CONTROLLER:
It counts the persons that enter and operate the electric bulb only if the any person is IN.
DIGITAL IR VISITOR COUNTER-STOP WATCH: - This solid-state digital stopwatch display time
taken for an event in secondsâ„¢ upto 99. (4-110)
DIGITAL MESSAGE DISPLAY: - The SEVEN digit English alphabets (More are optional) can be
operated in a moving pattern using this device like WELCOME.
TRUTH TABLE EVALUATOR & K-MAP PLOTTER: - With this circuit you can evaluate the truth
table as well as plot Karnaugh map of any Boolean expression.(02-12-96)
ELECTRONIC DICE: - This electronics dice makes a Ëœthrowâ„¢ for you at the push of
button. The LED display looks as a conventional dice face. (5-12â€6-14â€10-148â€16-130)
DIGITAL DICE WITH NUMERIC DISPLAY: - In this circuit the timer IC 555 is wired
as an astable multivibrator that produces pulses at about 48KHz and it display a random
number. (98-09-83)
SOLID STATE ADVERTISEMENT DISPLAY: - A 5 even output letter word can be
display one by one switching off relay/traic operated bulb.(15-74)
CLASSROOM ADDRESSING AMPLIFIER: A circuit which helps the principal/teacher to address
from single source to add classes.
DIGITAL SPEED CONTROL OF DC MOTOR: - It controls the speed of DC motor by changing its
flux with digital control circuit. (14-124)
SOUND CONTROLLED MOTOR DIRECTION CONTROLLER: - A microphone amplifier with flip
flop circuit causes to change the motor direction. (97-12-54)
E-METER: - It checks the radiation from visual display unit. The high radiations from computer
monitor or TV may harm your eyes. The project check the level on the LED array unit.
PRESSURE MONITOR: - A 1mA meter is calibrated to measure 100 to 1000 ton mercury pressure
using analogue electronics circuit using op-amps.(4-88)
LED SCOPE: - Conventional CRO is replaced by this LED scope. Using 150 LEDs at display
module. The all types of waves viz. square, triangular and sine can be easily seen on this.(8-83â€16-
79)
DIGITAL CLOCK USING ORDINARY COMPONENT: - Using ordinary components, this is a basic
circuit showing how frequency oscillation can be divided to get accurate timing module.(3-34)
OPTICAL FIBRE / LASER VOICE COMMUNICATION: The one way/twoway voice
communication system using optical fibre as mode. One can speak from one end and listen the
voice at other end using IR as transmitter and photo-diode as receiver or vice versa.
OPTICAL FIBER / LASER BASED VOICE AND DATA COMMUNICATION
The one way voice and DTMF data communication system using optical fibre as mode. One can
speak or send data tone from one end and listen the voice at other end using IR as transmitter
and photo-diode as receiver and simultaneously see the data output at seven segment display.
OPTICAL FIBRE/LASER BASED VOICE ENCRIPTION AND DECRIPTION:
The prerecorded voice can be encrypted and sent through optical fibre at the other end. The
reciever end will decript the same voice and playback to the original one.
OPTICAL FIBRE/LASER BASED APPLIANCE SWITCHING SYSTEM: A Multiple or single
device control circuit can be operated with this circuit.
OPTICAL FIBRE/LASER BASED DC/AC MOTOR SPEED CONTROL : A PWM technique is
used to operate the dc or ac motor at a distance using IR or Laser as transmitting medium.
IR REMOTE TV/ HEADPHONES: - It enables you to listen sound of TV without disturbing
others. It has a transmitter and receiver antenna.(15-168)
IR OBJECT COUNTER USING CALCULATOR: - A simple eight-digit counter can be made by
this using any calculator with small circuit connected to it.
IR REMOTE CONTROL SWITCH: A single device can be remotely operated by this system. A
transmitter will transmit the IR frequency 38kHz and a matching receiver will receive the signal to
switch a relay to control device.
IR REMOTE CONTROL SWITCH BOARD: Four electrical device can be remotely operated by
this system. A transmitter with encoder circuit will transmit the IR frequency 38kHz and a
matching receiver will receive the signal to switch the relays to control devices.
IR ËœNO SMOKINGâ„¢ WARNER: It will give warning in audible form at no smoking zone. It may
sense the smoke and give audible indication.
IR / ULTRASONIC WIRELESS HOME SECURITY SYSTEM: It checks the unauthorized entry
through its IR or ultrasonic sensors. Or even microphone sensor will activate the RF transmitter
to send a signal at a distance.
IR/LASER NON-CONTACT DC/STEPPER MOTOR SPEED CONTROL: The motor (dc/stepper)
speed can be controlled remotely using IR transmitter / receiver circuit.
IR AUTOMATIC ROOM LIGHT CONTROLLER: An entry and exit sensors using infrared will
operate the connected light to save electricity. The digital up/down counter will display the
number of persons inside the hall and if nobody is there, the lights will go Ëœoffâ„¢.
ULTRASONIC MOTION DETECTOR: Any motion in and around ultrasonic sensing area will
activate the circuit and alarm will warn.
ULTRASONIC CAR REVERSE SENSOR/OBJECT DETECTOR: The project can be placed on
the back or front of car. It will give warning indication if the distance from wall decreases to a
certain level. It can be used as motion sensing alarm.
ULTRASONIC RADAR : It moves in 360 degree circular motion and detect the object in the near
by area and gives alarm indication.
ULTRASONIC GUN: It detect the object and fire instantly with electromagnetic gun connected
with it.
ULTRASONIC OBJECT COUNTER: It counts the number of persons going through its area.