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building ir transmitter???

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buts101

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i want to build a ir transmitter for sony tv using at89c51. plz tell me which protocol does sony remote control use...and how can i build both ir transmitter and receiver. plz give me where i can get info abt the protocol and how can i make them???
thank you
 

vvvvv

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There is description of Sony SIRS protocol :
http://www.edcheung.com/automa/sircs.htm
another description :
http://www.xs4all.nl/~sbp/knowledge/ir/sirc.htm

some fag :
http://www.redremote.co.uk/faqs.html

Project for infrared :
http://www.xs4all.nl/~sbp/knowledge/ir/ir.htm

And for hardware see anything remote control schematics, they all similar,
nothing unusual , all have 3.3V digital inputs, outputs and connected infrared
transmitter and receiver. May be you just buy some remote control and
resemble it on parts for you design :).
 

elex09

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can someone pls suggest a schematic for 38 kHz ir transmitter that can be used with tsop1738....i want to build an automatic occupancy detection system using ir leds and tsop as receiver..
 

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