Infrared remote controls are using a 32-40 kHz modulated square wave for communication. These circuits are used to transmit a 1-3 kHz digital signal through infra light. The transmitter oscillator which is driving the infrared transmitter LED can be turne
http://jap.hu/electronic/infrared.html
Diy learning remote decoder for RC5 and Sony featuring 16 parallel outputs using a PIC16F873. The IR codes are defined at run-time with the remote the decoder is supposed to understand.
http://home1.stofanet.dk/hvaba/fprc5rx/index.html
http://www.mitedu.freeserve.co.uk/Circuits/Interface/irext2.htm
includes unteractive animated demonstration of remote control operation and signals
http://cgl.bu.edu/GC/shammi/ir/
http://www.rentron.com/Fire-Stick-II.htm
This ten channel Auto Roll RF Remote Control is virtually impossible to crack. Ten channels that are selectable as either latching or momentary. Each relay has led indicators. Receiver can support up to 15 transmitters. This page has a document that has c
http://www.electronickits.com/kit/complete/elec/ck1618.htm
a simple, cheap device that can be connected to any serial port to control most components that have infrared remote controls.
http://www.armory.com/~spcecdt/remote/remote.html
http://www.ee.washington.edu/conselec/A95/projects/pierreg/main.htm