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Wireless communication

 
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louwi_138



Joined: 17 Nov 2012
Posts: 23

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Wireless communication
PostPosted: Tue Apr 02, 2013 12:31 am     Reply with quote
Hello,
I'm working these days with a low cost wireless communication like the "XY-MK-5v" so I tried to make the receiver in the RX pin of the microcontroller and the Transmitter pin in the TX of the other microcontroller, and use RS232 to send data but It didn't work cause of the noise.

I looked in the net and I found that there is a library in Arduino software that deals with that problem which is called "virtualwire.h". I'm asking if there is an equivalent library in picc ?
Mike Walne



Joined: 19 Feb 2004
Posts: 1785
Location: Boston Spa UK

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PostPosted: Tue Apr 02, 2013 2:25 am     Reply with quote
Iyed was asking a similar question two days ago.

Mike
temtronic



Joined: 01 Jul 2010
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Location: Greensville,Ontario

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PostPosted: Tue Apr 02, 2013 5:55 am     Reply with quote
Why not download that code, convert into CCS C code, and upload your version into the 'code library' here to share with others?

It is NOT that difficult to do butI don't have the hardware to test the driver if I did the work.

hth
jay
asmboy



Joined: 20 Nov 2007
Posts: 2128
Location: albany ny

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PostPosted: Tue Apr 02, 2013 9:38 am     Reply with quote
Quote:

It didn't work cause of the noise.


NO odds are it does not work because of the SIGNAL , TTL-Rs-232 you try to send.

this is another CHEAP RF system w/o any recovered DC restoration, and the asymmetry of your SIGNAL is being distorted .

it is not suitable for ordinary RS-232 signalling

see here
http://www.ccsinfo.com/forum/viewtopic.php?p=174048#174048
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