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data transmission using IR

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soinarose

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hello frnds,

i want to send data using a IR from PIC microcontroller.. which encoder/decoder is suitable for this application? if im using ht12E/HT12A/ht12D/ HT640/HT648.. what should be the r osc value( oscillator) .. can any one post a working circuit diagram to transmit data..

Thanks in advance....
 

hi

r osc will depend on the carrier freq you use. which ir TSOP1738 will decode 38khz signals. HT12A uses 455khz resonator and carrier of 38khz.
 

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