#1 21662155 15 May 2012 04:28 Manish Gupta Manish Gupta Anonymous Post #1 21662155 15 May 2012 04:28 please tell about the cicuit of IR transmitter,that transmits infrafred light.
#2 21662156 15 May 2012 05:14 Mark Majewski Mark Majewski Anonymous Post #2 21662156 15 May 2012 05:14 Sorry but this is very spread question...Idea is that You use a IR transmitter (diode or other emiting IR light - IR light has a spectrum so this is next thing)And You have a modulation circuit ... generator that generates a base frequency and modulation circuit that modulate a base freq.... Simple devices use a direct drive to IR LED and there is no base frequency generator......Next are standards of modulation ... like RC5, RC6 ...Please be more specyfic...B regardsMark