There are 75 circuit schematics available in this category. Click here for all circuit diagrams. The Last circuit was added on Thursday, 3 September 2015.Please note some adblockers will suppress the schematics as well as the advertisement so please disable if the schematic list is empty.

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CircuitCategoryDate AddedOK?Votes 
Infrared beam door alarmIR Status-2 vote up vote down
Simple Infa-Red Remote ControlIRJun 26, 2009Status0 vote up vote down
IR Remote Control Extender CircuitIRJun 26, 2009Status0 vote up vote down
IR Audio linkIRJul 05, 2012Status0 vote up vote down
Wireless IR headphone transmitterIRJun 28, 2009Status0 vote up vote down
Wireless IR headphone receiverIRJun 28, 2009Status0 vote up vote down
IR illuminator for night-vision tv cameras and scopesIRJun 28, 2009Status0 vote up vote down
Infra Red Switch that works with commonly available remote controlsIRJul 05, 2012Status0 vote up vote down
Infra Red Remote Control Extender (Mark 1)IRJul 05, 2012Status0 vote up vote down
IR Remote Control Extender Circuit (Mark 2)IRJul 05, 2012Status0 vote up vote down
IR Remote Control Extender Circuit (Mark 3)IRJul 05, 2012Status0 vote up vote down
IR Remote Control Extender Circuit (Mark 4)IRJul 05, 2012Status0 vote up vote down
IR Remote Control Extender Circuit (Mark 5)IRJul 05, 2012Status0 vote up vote down
Infrared Remote Control that operates on 115 volts ACIRJul 05, 2012Status0 vote up vote down
Infrared remote control tester using a SFH2030 photodiode and a CA3140 operational amplifierIROct 19, 2009Status0 vote up vote down
Infrared Proximity Detector based on Vishay TSOP4830IR Status0 vote up vote down
Infrared Receiver Module SchematicsIRSep 10, 2006Status0 vote up vote down
Infrared gate for doorIRMar 23, 2003Status0 vote up vote down
Infrared circuits for remote controlIRMar 23, 2003Status0 vote up vote down
Serial port controller infrared transmitter (PIC16F628)IRMar 23, 2003Status0 vote up vote down
Learning IR remote control receiver using a PIC16F628IRApr 12, 2014Status0 vote up vote down
Infrared object detector using a PIC12F629 microcontrollerIRMay 16, 2010Status0 vote up vote down
Remote infrared terminal for projects requiring IR communicationsIRMay 24, 2010Status0 vote up vote down
Digibox interface circuit diagramIRAug 09, 2002Status0 vote up vote down
Infa-Red Remote ControlIRSep 01, 2009Status-1 vote up vote down
IR Remote Control JammerIRSep 01, 2009Status0 vote up vote down
Universal Serial Infrared ReceiverIR Status-1 vote up vote down
Infrared motion detector circuitIRNov 13, 2010Status0 vote up vote down
Inexpensive infrared reflectometerIR Status0 vote up vote down
40KHz light receiver (PDF)IRJan 26, 2001Status0 vote up vote down
40KHz TV-VCR repeater (PDF)IRJan 26, 2001Status0 vote up vote down
Infrared proximity detector based on Microchip PIC12C508 or PIC12C509IRAug 17, 2009Status0 vote up vote down
Micro based PIR to IR remote converterIROct 23, 2002Status0 vote up vote down
IR-related ASCII Schematics V1.00IRAug 27, 2003Status0 vote up vote down
Infrared remote transponderIRJan 26, 2001Status-1 vote up vote down
Build an Infrared night scopeIRJan 26, 2001Status0 vote up vote down
Decoding IR Remote ControlsIRJan 26, 2001Status0 vote up vote down
IR detectorIRJan 26, 2001Status0 vote up vote down
PC IR Remote Control HardwareIRAug 27, 2003Status0 vote up vote down
Infra-red Light Barrier Using 555IRNov 13, 2010Status0 vote up vote down
Infra-Red Sensor/MonitorIRNov 13, 2010Status0 vote up vote down
Infrared S/PDIF ReceiverIRNov 13, 2010Status0 vote up vote down
RC5 Repeater to extend distance of infrared remote controlsIRNov 13, 2010Status0 vote up vote down
Infrared beam barrier / proximity detectorIR Status0 vote up vote down
iRDA transceiver to extend IR port range up to 15 metersIRFeb 21, 2005Status0 vote up vote down
IR remote control testerIRFeb 21, 2005Status0 vote up vote down
Simple IR transmitter circuitIRJan 26, 2001Status0 vote up vote down
Simple infra-red detectorIRJan 26, 2001Status0 vote up vote down
Direction sensing infrared motion detector using PIR (PDF)IR Status0 vote up vote down
Infrared Motion Detector using a PIR sensor (PDF)IR Status0 vote up vote down
Pyroelectric Infrared (PIR) SensorIRJan 26, 2001Status0 vote up vote down
Measuring the speed of light with an infrared LED / photodiode (TDOA)IRJun 13, 2011Status0 vote up vote down
FAN Thermostat controlled by IR remote controllerIRMay 19, 2015Status0 vote up vote down
High power infrared remote control to turn off television sets from a distanceIROct 12, 2009Status0 vote up vote down
Infrared Body SensingIRJan 09, 2010Status0 vote up vote down
Project to capture infrared remote control signals and play them back, based on Atmel ATMEGA48 microIRJan 17, 2010Status0 vote up vote down
Infrared lampIR Status0 vote up vote down
40khz IR Tester circuit diagramIRJan 26, 2001Status0 vote up vote down
555 timer 40khz IR OscillatorIRJan 26, 2001Status0 vote up vote down
Basic IR detector / emitter circuit diagramIRJan 26, 2001Status0 vote up vote down
DVD thermometer - display temperature on TV by remotely controlling DVD player by infraredIR Status0 vote up vote down
Infrared Transmitter Project Implemented on a Solderless BreadboardIRNov 02, 2010Status0 vote up vote down
Infrared headphone system (includes transmistter and receiver schematics along with vero layout)IRAug 17, 2009Status1 vote up vote down
Implementing Infrared Object DetectionIRJan 26, 2001Status0 vote up vote down
Remote control uses an IR receiver chip to receive the IR signal from the remoteIR Status0 vote up vote down
Infra Red SwitchIRNov 27, 2002Status0 vote up vote down
IR remote control extenderIRJan 26, 2001Status0 vote up vote down
IR Remote Control Extender Circuit (Mark 2)IRNov 27, 2002Status0 vote up vote down
IR Remote Control Extender Circuit (Mark 3)IRNov 27, 2002Status0 vote up vote down
Infra Red wired Repeater circuit to control appliances from a remote locationIR Status0 vote up vote down
IR LinkIRNov 27, 2002Status0 vote up vote down
Basic infrared link for audio communication over distances up to 3 metresIRFeb 05, 2010Status0 vote up vote down
IR remote control testerIRJan 26, 2001Status0 vote up vote down
Computerized Infrared RemoteIRAug 27, 2003Status0 vote up vote down
Infrared Proximity Detector AlarmIRJul 15, 2015Status0 vote up vote down