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Infrared Circuits
IR Circuits:  #'s - A         B - H         I - K         L - Q         R - S         T - Z


Last Updated on:
Tuesday, October 24, 2017 02:55 PM

 

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Circuits Designed by Dave Johnson, P.E. :

Infrared Reflected Light SwitchDrawing only 30uA from a 3v supply, this circuit will detect a human finger with a range of about 1 inch.  The sensor uses an inexpensive infrared LED and a matching photo diode. . . Circuit by David Johnson P.E.-July, 2006

Infrared Remote Extender CircuitThis circuit is designed to be placed directly in front of a standard TV or VCR remote.  The exiting light pulses produced by the circuit match the pulses from the remote but are about 10 times more powerful . . . Hobby Circuit designed by David Johnson P.E.-June, 2000

Infrared Reflected Light SwitchDrawing only 30uA from a 3v supply, this circuit will detect a human finger with a range of about 1 inch.  The sensor uses an inexpensive infrared LED and a matching photo diode. . . Circuit by David Johnson P.E.-July, 2006

Infrared Remote Extender CircuitThis circuit is designed to be placed directly in front of a standard TV or VCR remote.  The exiting light pulses produced by the circuit match the pulses from the remote but are about 10 times more powerful . . . Hobby Circuit designed by David Johnson P.E.-June, 2000

Infrared Safety SwitchUsing a slotted optical sensor, this circuit can be used as a replacement for a large mushroom pushbutton safety switch. . . Circuit by David Johnson P.E.-July, 2006

Infrared TV/VCR Remote BoosterThis circuit will boost the signal from any infrared TV or VCR remote, extending the range by a factor of 3X.. . . Circuit by Dave Johnson P.E.-October, 2005

IR TV/VCR Remote BoosterThis circuit will boost the signal from any infrared TV or VCR remote, extending the range by a factor of 3X. . . . Hobby Circuit designed by Dave Johnson P.E.-October, 2005

Infrared cordless Headphone Amplifier -  Using this low cost Project one can reproduce AUDIO from TV without disturbing anyone.  It does not use any wire between TV and HEADPHONE.  In place of pair of wires it uses invisible Infrared light to transmit audio signals from TV to Headphone.  Without using any lens a range of up to 6 meters is possible.  Range can be extended by using Lenses and Reflectors with IR sensors comprising transmitters and receivers.  IR transmitter uses two-stage transistor amplifier to drive two IR LEDs connected in series.   __ Designed by YMYA electronics-IZHAR FAREED

Infrared Detector -  This circuit is a simple IR detector for testing IR remote controllers.  The circuit is based on one phototransistor which receives the IR beam.  The NPN transistor works as an amplifier which feeds current to the led.  When this circuit detects IR or light, the LED is on.  So you need to shield the phototransistor from ambient light if you don't want to do your tests in the dark.  The best way __ Designed by Tomi Engdahl

Infrared Detector -  The circuit of manufacture appears in form.  sensory is a passage of silicon with relatively big surface.  This passage when it is not litted up by infra red light has very big resistance of order of Mohm.  this resistance is reversely proportional at approach of brightness.  The type of passage is not critical, in the place can enter anyone.  The resistance of passage __ Designed by Soylis Papanastasiou

Infrared Detector -  This circuit is a simple IR detector for testing IR remote controllers.  The circuit is based on one phototransistor which receives the IR beam.  The NPN transistor works as an amplifier which feeds current to the led.  When this circuit detects IR or light, the LED is on.  So you need to shield the phototransistor from ambient light if you don't want to do your tests in the dark.  The best way __ Designed by Lennie Zink

Infrared Electronic Shooting Game -  Just trigger an infrared electronic gun and there goes one invisible bullet hitting the bullís eye, if timed properly.  The circuit is very simple, inexpensive and easy to construct.  The game...__ Electronics Projects for You

Infrared Fire Cracker Igniter -  Firecrackers are normally ignited by using a matchstick or a candle.  You have to run away quickly after igniting the fuse of the firecracker.  This method of igniting firecracker is unsafe,...__ Electronics Projects for You

Infrared gate 2 -  This is an infrared gate with two sensors planned to use in the wall in the way behind a door.  It can be applied in a toilet to keep track of that someone is inside exceeding a certain amount of time.  After that time elapsed, the circuit triggers the digital output wich can turn on a ventillator.  The time period the output is turned on can be separately controlled by a second timer. __ Designed by Peter Jakab

Infrared Head Phones -  Using this low-cost project one can reproduce audio from TV without disturbing others.  It does not use any wire connection between TV and headphones.  In place of a pair of wires, it uses invisible infrared light to transmit audio signals from TV to headphones.  Without using any lens, a range of up to 6 metres is possible.  Range can be extended 

Infrared headphone system (includes transmistter & receiver Schematics along with vero layout) -  Infrared based electronic circuit diagrams / circuit schematics __ Designed by © David Hoult

Infrared Illuminator -  It is an circuit which can generate wavelengths in the infrared region of the spectrum.  It can be used with security cameras to design a security system which can throw infrared light which is not visible to human eye so as to capture movements in dark.  __ Electronics Projects for You

Infrared Interruption Counter -  Most optical interruption counters make use of a light bulb with light-dependent resistor  (LDR) or ordinary phototransistor as the sensor.  These interruption counters work satisfactorily in darkness only and cannot be...__ Electronics Projects for You

Infrared lamp -  Infrared based electronic circuit diagrams / circuit schematics __ Designed by Philippe "Philo"Hurbain

Infra-red Level Detector -  Useful for liquids level detection and proximity devices; Up to 50 cm.  range, optional relay operation __ Contact: Flavio Dellepiane, fladello @ tin.it

Infrared Motion Detector -  Infrared based electronic circuit diagrams / circuit schematics

Infrared Motion-Sensing Relay Switch -  This circuit is designed for use with all kinds of medium-power automobile/domestic 12V DC loads.  It is a simple solid-state relay  (SSR) switch, controlled by a standard passive infrared  (PIR) motion...__ Electronics Projects for You

Infrared Object Counter -  This infrared object counter can be installed at the entry gate to count the total number of people entering any venue.  For example, it can be used at the railway stations...__ Electronics Projects for You

Infrared Object Detector -  Infrared based electronic circuit diagrams / circuit schematics __ Designed by Luhan Monat-Mesa Arizona

Infrared Proximity Detector -  This proximity detector using an infrared detector  (Fig.1) can be used in various equipment like automatic door openers and burglar alarms.  The circuit primarily consists of an infrared transmitter and...__ Electronics Projects for You

Infra-Red Proximity Detector -  The detector is intended for the recognition of obstructions at distances of a few millimeters to a few centimeters.  Similar detectors are used in the industry and health services, for instance, to open a water tap via a magnetic valve.  The sensor, IC2, is a Type SFH900 optoisolator from Siemens or similar.  A phase-locked loop

Infrared Proximity Detector Alarm -  This circuit can be built from readily available low-cost components, some of which may even be hiding in your junkbox! The indicated value of 22 Ω for resistor R1 causes an average current of about 65 mA through infrared emitter D1.  Because the IRED is pulsed at a duty factor of about 50% through the action of T1 and IC1, a peak current of 128 mA flows during every half cycle__ Learning Electronics

Infrared Receiver for Sony Remotes -  Infrared remote controls are using a 32-56 kHz modulated square wave for communication.  These circuits are used to transmit a 1-4 kHz digital signal  (OOK modulation) through infra light  (this is the maximum attainable speed, 1000-4000 bits per sec) .  The transmitter oscillator runs with adjustable frequency in the 32-56kHz range, and is being turned ON/OFF with the modulating signal, a TTL voltage on the MOD input.  On the receiver side a photodiode takes up the signal.  The integrated circuit inside the chip is sensitive only around a specified frequency in the 32-56 kHz range.  The output is the __ Designed by Peter Jakab

Infrared Receiver with BPW41N -  This infrared receiver is used with this infrared transmitter.  The output signal of D1 IR diode is amplified by IC1.  The diode is BPW41N works great with the transmitter and is relatively fast  (~200 ns) .  The impulses at IC1′s output are applied to IC2  (comparator) that separate them from ambient light.  Check out the __ Designed by Popescu Marian

Infrared Reflected Light Switch -  Drawing only 30uA from a 3v supply, this circuit will detect a human finger with a range of about 1 inch.  The sensor uses an inexpensive infrared LED and a matching photo diode. . . Circuit by David Johnson P.E.-July, 2006

Infrared Relay with Relay Output -  Infrared remote controls are using a 32-56 kHz modulated square wave for communication.  These circuits are used to transmit a 1-4 kHz digital signal  (OOK modulation) through infra light  (this is the maximum attainable speed, 1000-4000 bits per sec) .  The transmitter oscillator runs with adjustable frequency in the 32-56kHz range, and is being turned ON/OFF with the modulating signal, a TTL voltage on the MOD input.  On the receiver side a photodiode takes up the signal.  The integrated circuit inside the chip is sensitive only around a specified frequency in the 32-56 kHz range.  The output is the demodulated digital input  (but usually inverted) , just what we used to drive the transmitter.  When the carrier is present, this output is usually low.  When no carrier is detected, the output is usually high.   __ Designed by Peter Jakab

Infrared Remote Control -  This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac.  The receiver circuit is based on the Radio Shack infrared receiver module  (MOD) , part number 276-137.  It is also available from some of the other sources listed on my Links page.  The MOD accepts a 40khz IR signal that is modulated at 4 khz.  When a signal is received the MOD will go low.  The sensitivity of the MOD is set by different values for R1 and C1.  The values for R1 may need to be as high as 10, 000 ohm

Infrared Remote Control -  A simple one-channel remote control.  It will trigger a relay upon press of a button.   __ Designed by Aaron Cake

Infrared Remote Control -  This circuit will allow you to turn on any piece of equipment that operates on 115 volts ac.  The receiver circuit is based on the Radio Shack infrared receiver module  (MOD) , part number 276-137.  It is also.   __ Designed by Randy Linscott

Infrared Remote Control -  This article will show you how to use the components in our infrared data communications parts KIT.   __ Designed by Reynold's Elec

Infra-Red Remote Control Extender -  Miscellaneous:  This is a battery powered Infra-Red Link that will allow you to change channels on your Satellite Receiver and operate the controls on your VCR & DVD from anywhere in the house.  __ Designed by Ron J.

Infrared remote control receiver -  You can control now your media center with this programmable RC5 receiver.  Moreover, you can switch On/Off your Media Center by your remote control  __ Designed by © Vassilis Serasidis

Infrared Remote Control Tester -  Using a battery, a phototransistor and a visible-light LED, this simple circuit is a go/no go tester for IR remote control devices.  The illumination of the LED indicates that Q1 is being modulated by IR energy.  

Infrared remote control tester -  This circuit is used to relay signals from an Infra Red remote control in one room to an IR controlled appliance in another room __ Designed by © 2005 Laboratory of Electronics

Infrared Remote Control Tester -  A simple IR receiver to facilitate in testing of Infra Red Remote Control handsets.   __ Designed by Andy Collison

Infrared Remote Control Timer -  The circuit comprises two sections, namely, the transmitter section and the receiver section.  Fig.1 shows the IR transmitter section.  The astable multivibrator NE555  (IC1) is used to generate a 10kHz...__ Electronics Projects for You

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Infrared Circuits
IR Circuits:  #'s - A         B - H         I - K         L - Q         R - S         T - Z

 


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