There are 74 circuit schematics available in this category. Click here for all circuit diagrams. Last circuit added on Sunday, 5 July 2015.

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CircuitCategoryDate AddedOK?Votes 
Infrared beam door alarmIR -2
Simple Infa-Red Remote ControlIRJun 26, 20090
IR Remote Control Extender CircuitIRJun 26, 20090
IR Audio linkIRJul 05, 20120
Wireless IR headphone transmitterIRJun 28, 20090
Wireless IR headphone receiverIRJun 28, 20090
IR illuminator for night-vision tv cameras and scopesIRJun 28, 20090
Infra Red Switch that works with commonly available remote controlsIRJul 05, 20120
Infra Red Remote Control Extender (Mark 1)IRJul 05, 20120
IR Remote Control Extender Circuit (Mark 2)IRJul 05, 20120
IR Remote Control Extender Circuit (Mark 3)IRJul 05, 20120
IR Remote Control Extender Circuit (Mark 4)IRJul 05, 20120
IR Remote Control Extender Circuit (Mark 5)IRJul 05, 20120
Infrared Remote Control that operates on 115 volts ACIRJul 05, 20120
Infrared remote control tester using a SFH2030 photodiode and a CA3140 operational amplifierIROct 19, 20090
Infrared Proximity Detector based on Vishay TSOP4830IR 0
Infrared Receiver Module SchematicsIRSep 10, 20060
Infrared gate for doorIRMar 23, 20030
Infrared circuits for remote controlIRMar 23, 20030
Serial port controller infrared transmitter (PIC16F628)IRMar 23, 20030
Learning IR remote control receiver using a PIC16F628IRApr 12, 20140
Infrared object detector using a PIC12F629 microcontrollerIRMay 16, 20100
Remote infrared terminal for projects requiring IR communicationsIRMay 24, 20100
Digibox interface circuit diagramIRAug 09, 20020
Infa-Red Remote ControlIRSep 01, 20090
IR Remote Control JammerIRSep 01, 20090
Universal Serial Infrared ReceiverIR 0
Infrared motion detector circuitIRNov 13, 20100
Inexpensive infrared reflectometerIR 0
40KHz light receiver (PDF)IRJan 26, 20010
40KHz TV-VCR repeater (PDF)IRJan 26, 20010
Infrared proximity detector based on Microchip PIC12C508 or PIC12C509IRAug 17, 20090
Micro based PIR to IR remote converterIROct 23, 20020
IR-related ASCII Schematics V1.00IRAug 27, 20030
Infrared remote transponderIRJan 26, 20010
Build an Infrared night scopeIRJan 26, 20010
Decoding IR Remote ControlsIRJan 26, 20010
IR detectorIRJan 26, 20010
PC IR Remote Control HardwareIRAug 27, 20030
Infra-red Light Barrier Using 555IRNov 13, 20100
Infra-Red Sensor/MonitorIRNov 13, 20100
Infrared S/PDIF ReceiverIRNov 13, 20100
RC5 Repeater to extend distance of infrared remote controlsIRNov 13, 20100
Infrared beam barrier / proximity detectorIR 0
iRDA transceiver to extend IR port range up to 15 metersIRFeb 21, 20050
IR remote control testerIRFeb 21, 20050
Simple IR transmitter circuitIRJan 26, 20010
Simple infra-red detectorIRJan 26, 20010
Direction sensing infrared motion detector using PIR (PDF)IR 0
Infrared Motion Detector using a PIR sensor (PDF)IR 0
Pyroelectric Infrared (PIR) SensorIRJan 26, 20010
Measuring the speed of light with an infrared LED / photodiode (TDOA)IRJun 13, 20110
FAN Thermostat controlled by IR remote controllerIRMay 19, 20150
High power infrared remote control to turn off television sets from a distanceIROct 12, 20090
Infrared Body SensingIRJan 09, 20100
Project to capture infrared remote control signals and play them back, based on Atmel ATMEGA48 microIRJan 17, 20100
Infrared lampIR 0
40khz IR Tester circuit diagramIRJan 26, 20010
555 timer 40khz IR OscillatorIRJan 26, 20010
Basic IR detector / emitter circuit diagramIRJan 26, 20010
DVD thermometer - display temperature on TV by remotely controlling DVD player by infraredIR 0
Infrared Transmitter Project Implemented on a Solderless BreadboardIRNov 02, 20100
Infrared headphone system (includes transmistter and receiver schematics along with vero layout)IRAug 17, 20090
Implementing Infrared Object DetectionIRJan 26, 20010
Remote control uses an IR receiver chip to receive the IR signal from the remoteIR 0
Infra Red SwitchIRNov 27, 20020
IR remote control extenderIRJan 26, 20010
IR Remote Control Extender Circuit (Mark 2)IRNov 27, 20020
IR Remote Control Extender Circuit (Mark 3)IRNov 27, 20020
Infra Red wired Repeater circuit to control appliances from a remote locationIR 0
IR LinkIRNov 27, 20020
Basic infrared link for audio communication over distances up to 3 metresIRFeb 05, 20100
IR remote control testerIRJan 26, 20010
Computerized Infrared RemoteIRAug 27, 20030