Developer Comment by Ryan Beall on November 9, 2010 at 9:21pm

Awesome! Love it. Can't wait to steal/borrow all your hard work. Keep it up!

Moderator Comment by John Church on November 9, 2010 at 9:49pm

Yes, very nice. Can you direct us to any favorite resources for using satellites directly?

Developer Comment by Doug Weibel on November 9, 2010 at 9:57pm

There are a few threads on RCgroups. Different people go about it differently. On the input side I am doing it with time comparison versus bit field mapping to identify packets. On the output side it is my own idea that I had not seen implemented elsewhere. It may be used elsewhere, I just haven't seen it.

Using Spektrum satellites without using a main receiver is gaining traction with certain RC vendors, in particular helicopter flybarless controller manufacturers.

Comment by MC on November 9, 2010 at 10:11pm

This is very interesting!! Impressive work!!
May i ask where can we find more details about your work (source code and connection diagram)?

Developer Comment by Doug Weibel on November 9, 2010 at 10:13pm

It is just spagetti code at present (hence the disclaimer that this was a teaser). I plan to clean it up some time and will probably make a version to replace the current PPM encoder for ArduPilot Mega.

Moderator Comment by Chris Anderson on November 9, 2010 at 10:50pm

Does this only work with Spektrum gear?

Developer Comment by Ryan Beall on November 9, 2010 at 11:46pm

Yeah DSM2 protocol

Developer Comment by Doug Weibel on November 10, 2010 at 7:11am

Well, the input side only works with Spektrum. The output side (12 channels using only one comparator on one timer) is standalone and will work with anything.

Probably any 2.4 receiver type that uses a satellite RX can be hacked in a similar manner. I don't think Futaba or Hitech use satellites at all though.

Developer Comment by Pete Hollands on November 10, 2010 at 7:21am

Doug, Congratulations. That's a cool development that many people would love.

Comment by Robert Palmore on November 10, 2010 at 8:01am

serin parallel out, makes sense to me. Use the arduino as a demux. Cool. To the sound track of Oliver's "Food"
Code, glorious code, wonderful glorious code. More Please Sir.
I look forward to the un spegettied code. Great job.

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