<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Sadly enough the Cazyflie only has 20Kb RAM and 128Kb flash.<div>This is, sadly enough, too small for Erlang.</div><div><br></div><div>You could probably implement the client, I did both the client for the regular firmware</div><div>(and a plenty of porting and hacking for the onboard Erlang controller firmware for the AR.Drone.)</div><div>And that was a plenty of fun as well.</div><div><br><div>/Tony</div><div><br><div><div>On 17 jun 2014, at 20:12, Boris Mühmer <<a href="mailto:boris.muehmer@gmail.com">boris.muehmer@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr"><div>My interest in quadcopters started with the following videos (in chronological order I watched them):</div><div>1) Raffaello D'Andrea: The astounding athletic power of quadcopters:</div><div> <a href="https://www.youtube.com/watch?v=w2itwFJCgFQ">https://www.youtube.com/watch?v=w2itwFJCgFQ</a></div>
<div>2) Drone In-flight Firmware Upgrade:</div><div> <a href="https://www.youtube.com/watch?v=96UzSHyp0F8">https://www.youtube.com/watch?v=96UzSHyp0F8</a></div><div>3) Crazyflie Nano Quadcopter pre-release video:</div><div>
<a href="https://www.youtube.com/watch?v=3WBUVYZkODI">https://www.youtube.com/watch?v=3WBUVYZkODI</a></div><div><br></div><div>After watching 1) and my first searches for quadcopters resulted in quite some interesting models, but somehow there were too "professional", especially when looking at the price tag.</div>
<div><br></div><div>The Parrot AR.Drone 2 (I believe it was used in video 2) isn't that cheap, but it suited the price I had in mind much better (and Erlang was used to interface it, if I didn't get that part wrong), but still I thought it was too large for playing around in a small room and the system was too "closed".</div>
<div><br></div><div>Then I found the Crazyflie project (<a href="http://www.bitcraze.se/">http://www.bitcraze.se/</a>). Here is a list of things I liked about it:</div><div> - it is very small (perfect for indoor tests)</div>
<div> - it is cheap</div><div> - it is an open platform</div><div> - the range for the radio is up to 80 meters (looks like I need to get a larger flat)</div><div><br></div><div>So my questions boils down to this: Is there anyone (beside the feuerlab guys) already fiddling around with Erlang and the Crazyflie (or other quadcopters)?</div>
<div><br></div><div><br></div><div>Regards</div><div>Boris</div><div><br></div><div>PS: Also have a look at this video "Crazyflie Nano Quadcopter - Assembly video"</div><div> <a href="http://www.youtube.com/watch?v=kS3qR1IjeGE">http://www.youtube.com/watch?v=kS3qR1IjeGE</a></div>
<div>PPS: Reading the "Handbook of Neuroevolution Through Erlang" (<a href="http://www.springer.com/computer/swe/book/978-1-4614-4462-6">http://www.springer.com/computer/swe/book/978-1-4614-4462-6</a>) gave me even more crazy ideas.</div>
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<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><div><span class="Apple-style-span" style="color: rgb(51, 51, 51); font-family: Geneva, Arial, Helvetica, sans-serif; font-size: 12px; ">"Installing applications can lead to corruption over time. </span><span class="Apple-style-span" style="color: rgb(51, 51, 51); font-family: Geneva, Arial, Helvetica, sans-serif; font-size: 12px; ">Applications gradually write over each other's libraries, partial upgrades occur, user and system errors happen, and minute changes may be unnoticeable and difficult to fix"</span></div><div><span class="Apple-style-span" style="color: rgb(51, 51, 51); font-family: Geneva, Arial, Helvetica, sans-serif; font-size: 12px; "><br></span></div></span><br class="Apple-interchange-newline">
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