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SI4432 tranciever Connecting to RPI

Posted: Fri Dec 26, 2014 4:41 pm
by lukeg01
Hello
How I'm lookin into 433Mhz and by preference 868mhz too on one board and am wondering, would the SI4432 do the trick.
I found a data sheet ( http://www.silabs.com/Support%20Documen ... -31-32.pdf ) yet I don't really understand it as being a beginning tweaker.
Also would this work with existing scripts (by preference https://github.com/ninjablocks/433Utils one cause it can record as well)
So is it true that it can send and receive? And how would I connect it to my RPI (B rev 2)?
Cause it looks like a great module yet I have no Idea how tot connect it.

Luke

Re: SI4432 tranciever Connecting to RPI

Posted: Sat Dec 27, 2014 6:08 pm
by Mark_T
You need to find a module, not just a chip, since the antenna-matching network is
required and this is all surface-mount tech.

People use the RFM12 and RFM12B quite a lot in the ISM bands because they are
cheap, and there are other chips around that are similar, with SPI interfacing.

Quick search found this: http://wiki.openenergymonitor.org/index ... spberry_Pi

Re: SI4432 tranciever Connecting to RPI

Posted: Sat Dec 27, 2014 6:16 pm
by lukeg01
Mark_T wrote:You need to find a module, not just a chip, since the antenna-matching network is
required and this is all surface-mount tech.

People use the RFM12 and RFM12B quite a lot in the ISM bands because they are
cheap, and there are other chips around that are similar, with SPI interfacing.

Quick search found this: http://wiki.openenergymonitor.org/index ... spberry_Pi
Hello,
I just noticed that the datasheet is only for the IC, the item is already on an PCB ( http://www.ebay.com/itm/SI4432-470MHz-1 ... 2ec8852fd1 )
I'm really sorry for the confusion.
But, can this be connected to the RPI directly?

Luke

Re: SI4432 tranciever Connecting to RPI

Posted: Thu Jan 09, 2020 11:05 am
by venkyskar
The interface program can be found here:
https://github.com/mikozniak/RFM22B/blo ... r/rfm22.py

this can be used for si4432 interfacing.