Infrared related circuits

• 40khz IR Tester
• 40KHz light receiver (PDF)
• 40KHz TV-VCR repeater (PDF)
• 50MHz Receiver for the IR Detector
• 50MHz Transmitter for the IR detector
• 555 timer 40khz IR Oscillator
• Basic infrared link for audio communication over distances up to 3 metres
• Build an Infrared night scope
• Computerized Infrared Remote
• Decoding IR Remote Controls
• Digibox interface
• Direction sensing infrared motion detector using PIR (PDF)
• DVD thermometer - display temperature on TV by remotely controlling DVD player by infrared
• Fire-Stick infrared remote control
• High power infrared remote control to turn off television sets from a distance
• Implementing Infrared Object Detection
• Improved infrared receiver for PC with status LED
• Inexpensive infrared reflectometer
• Infa-Red Remote Control
• Infra Red Switch
• Infra Red wired Repeater circuit to control appliances from a remote location
• Infrared / Ultrasonic beacon
• Infrared beam barrier / proximity detector
• Infrared beam door alarm
• Infrared Body Sensing
• Infrared circuits for remote control
• Infrared gate (door entry alarm)
• Infrared gate for door
• Infrared Head Phones
• Infrared headphone system (includes transmistter and receiver schematics along with vero layout)
• Infrared lamp
• Infrared level detector for liquid level detection and proximity detection
• Infrared link for 10-BASE-T / 100-BASE-T PC network card
• Infrared Motion Detector using a PIR sensor (PDF)
• Infrared proximity detector based on Microchip PIC12C508 or PIC12C509
• Infrared Proximity Detector based on Vishay TSOP4830
• Infrared Receiver Module Schematics
• Infrared remote control tester using a SFH2030 photodiode and a CA3140 operational amplifier
• Infrared remote transponder
• Infrared switch using any infrared remote control
• Infrared transmitter for locomotives
• IR detector
• IR detector
• IR detector / emitter
• IR illuminator for night-vision tv cameras and scopes
• IR Link
• IR remote control
• IR remote control extender
• IR Remote Control Extender Circuit
• IR Remote Control Extender Circuit (Mark 2)
• IR Remote Control Extender Circuit (Mark 3)
• IR Remote Control Jammer
• IR remote control tester
• IR remote control tester
• IR wheel encoder board
• iRDA transceiver to extend IR port range up to 15 meters
• IR-related ASCII Schematics V1.00
• Micro based PIR to IR remote converter
• PC IR Remote Control Hardware
• Project to capture infrared remote control signals and play them back, based on Atmel ATMEGA48 micro
• Pyroelectric Infrared (PIR) Sensor
• Remote control uses an IR receiver chip to receive the IR signal from the remote
• Serial port controller infrared transmitter (PIC16F628)
• Simple Infa-Red Remote Control
• Simple infra-red detector
• Simple infrared remote control
• Simple IR transmitter circuit
• Simple on-off IR photoswitch without use of comparators
• Simple Remote control Tester
• TV remote control Blocker
• Universal Serial Infrared Receiver
• Wireless IR headphone receiver
• Wireless IR headphone transmitter