Radio control binding

[Mark Whittington]

I looked into this myself a while back.  One of the more popular RC
protocol families is Spektrum DSM2 and DSMX.  Apparently it's been
completely reverse engineered and there are example implementations out on
the net.  The official radios are based on the Cypress CYWUSB6953
PSoC+Radio chip.

http://datasheet.octopart.com/CYWUSB6953-48LFXC-Cypress-Semiconductor-datasheet-17723564.pdf

http://www.cgsy.com.au/archives/215 discusses the DSMX protocol

This post in a larger thread has links to a bunch more info:
http://www.rcgroups.com/forums/showpost.php?s=07273ba7d35902817e79bbdf30110409&p=7916481&postcount=6



On Tue, Jan 20, 2015 at 2:26 PM, Alex Fraser <beatnic at comcast.net> wrote:

>  It used to be that in radio control you picked a frequency for your
> transmitter and for your receiver.  There were channels on 6 meters and at
> 72 and 75 MHz. You depended on being the sole user of a frequency to
> guarantee that you were in control.  Back then you would tie a ribbon to
> your antenna which told every one which channel you were on so no one would
> accidentally jam your signal and cause you to lose control.
>
> These days the frequency used has has changed to 2.4 gig.  You turn on
> your receiver and your transmitter and Bind them.  The Transmitter
> handshakes with the receiver and they create a unique link.  Everyone using
> the field can use the same band and the radios don't interfere with each
> other.
>
> There has been some threads on this reflector about spread spectrum (ha,
> an understatement for sure!) and recently been some talk on syncing
> signals.   I wonder if folks here have looked at what is happening with
> modern RC radios?  BTW as I understand it these new transmitters have
> flash-able bios and considerable programing capability so there is a
> possibility of re purposing the gizmo.
>
> --
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