This month's MAKE magazine is focused on RC and is especially good. The cover story is an Arduino-controlled RC lawnmower that the guy is converting to autonomous control with ArduPilot, and there are a few other ArduPilot mentions in there (plus a little contribution from me on interfacing RC with computers).
I read the issue, it was much better than previous issues. The lawnmower article was nice to see especially with the attention to electronics and motor control.
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https://www.youtube.com/watch?v=3tNVOhtvPEw