"cool but what does the mounts use? servos, dc motors, steppers ? also what's the communication protocol ?? their website doesn't really explain much"
johnkowalsky's Discussions
Raspberry PI
Started this discussion. Last reply by Jonathan Cox Mar 31. 33 Replies 0 Likes
Are there any plans to build an autopilot based on Raspberry PI ? That would make sense IMHO. There are two major advantages: one could use 3G modems to control the plane and cheapo USB webcamsContinue
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johnkowalsky commented on Simon Howroyd's blog post Hydrogen Fuel Cell UAV"why don't you use methanol based fuel cells ? power density of methanol is much higher and you don't need high pressure vessels"
johnkowalsky commented on Hunter Parris's blog post Telemetry/Video over 4G/LTE Cellular link for Beyond-LOS Flight"@Arttu
Never really had any issues with my devices - ideally when it fails the device should just return home.
@Tommy
well let just say I am not a big fan of raspbery PI. Read a lot about problems with compatible devices and having to use powered…"
johnkowalsky commented on Hunter Parris's blog post Telemetry/Video over 4G/LTE Cellular link for Beyond-LOS Flight"it's an autopilot dude - who said it has to be controller manually (flybywire) ?"
johnkowalsky commented on Hunter Parris's blog post Telemetry/Video over 4G/LTE Cellular link for Beyond-LOS Flight"tommy
That sounds ridiculously over complicated. You should use an android phone for the same purpose... why have 2 or 3 different boards, 3g router if you can use just one android phone ?? you can even use the phones camera and an app that will…"
johnkowalsky commented on Michael Zaffuto's blog post UDOO - Quad Core A9, Arduino Due DIY Horsepower Maxxed Out"That's what the next version of ardupilot should look like ;-)
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johnkowalsky commented on Duran - SteadiDrone's blog post SteadiDrone goes brushless"interesting what's the max accuracy if such a mount in mrads?"
johnkowalsky commented on Carl Campbell's blog post Marilyn Monroe built drones...."I seem to recall a documentary that might have shown them... IIRC its RC transmiter had a dial - like those on old phones"
Jonathan Cox replied to johnkowalsky's discussion Raspberry PI"The one thing I see in the Raspberry Pi is the built in MPEG4 encoder and the availability of cheap USB 4G cellular modem dongles. With this combination it would be nice to implement unlimited range high fidelity digital video."
Stephen R Mann replied to johnkowalsky's discussion Raspberry PI"Not junk, just a different purpose. The Arduino is a real-time controller and can respond to external data quickly which makes it ideal for robotics and autopilots. The Pi is a Linux computer. It's primary purpose is to…"
Dave_fr replied to johnkowalsky's discussion Raspberry PI"You are rising the question of latency but, (I'm not a linux specialist) to my knowledge the linux kernel offers realtime capabilities. Isn't the ar.drone running on linux ?"
johnkowalsky commented on Chris Anderson's blog post Festo to fly "BionicOpter" at Hannover"that thing comes by my house I kill it ;-)"
johnkowalsky commented on Kevin Hester's blog post Ten dollar telemetry - Bluetooth support added to Andropilot thanks to..."interesting - what's the range when not in direct LOS ? and what's the range with no amplifier ?
Sounds too good to be true. Wifi is very much like bluetooth and as we all know you can get some pretty impressive range with wifi and a…"
johnkowalsky commented on Kevin Hester's blog post Ten dollar telemetry - Bluetooth support added to Andropilot thanks to..."Latency on the way from the arduplane to the android device will be insignificant. The rest is typical latency you experience when accessing the internet through 3g/4g network. Just ping a site where you're going to upload data and that should…"
johnkowalsky commented on Kevin Hester's blog post Ten dollar telemetry - Bluetooth support added to Andropilot thanks to..."@Kevin well it's not as much about sharing logs as sending data from the plane to the internet in (almost) real time - so an android phone could be placed on the plane and relay telemetry through 4g/3g. Before you ask two way communication is…"
johnkowalsky commented on Kevin Hester's blog post Ten dollar telemetry - Bluetooth support added to Andropilot thanks to..."just to clarify you can get about 100 meter range with class 1 devices - but only if both of them are class 1. AFAIK all mobile phones have modules that are class 2."
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