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wireless mini weather station

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northland

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Can somebody help me to write a C program(PIC16F877) for transmitting three 8 bit data via a 4 bit wireless transmitter module to be read by the reciever module to a pc thru rs232 connection.
 

I can help..
but what do u mean by

4 bit wireless transmitter module .. explain it..

bye
 

i mean the that the RF encoder has 4 data lines , but i need to send three 8 bits of data..i am struggling with the programming and hardware part..
 

hi,
Share your RF encoder Technical datasheet or other documentation.

bye
 

Dani
these are the data sheets of the encoder and decoder i am using....
HT12E-encoder
HT12D-decoder

also the transmitter and receiver modules i am using....

thanks bye...
 

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  • decoder_1487.pdf
    175.9 KB · Views: 44

Send 4 bit data twice on two variables, in your receiving program rotate left ( A = A << 4) first variable then OR with the second variable (A |= B),
A now contains the original 8 bit data.
 

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