"Funny you should ask:
https://store.diydrones.com/3DR_RadioTelemetry_Kit_915_Mhz_p/kt-telemetry-3dr915.htm
"
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Michael Smith
- San Francisco, CA
- United States
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Michael Smith's Discussions
Eagletree dual pitot tube with DIYD sensors?
Started this discussion. Last reply by JOHN PIZZICARA Jul 22, 2010. 10 Replies 0 Likes
With the pitot tube assemblies out of stock, I was wondering if the integrated dual tube that Eagletree sells:…Continue
Michael Smith's Page
Latest Activity
DeveloperMichael Smith replied to Adam Crain's discussion ARM based Arduino
"Many of the things that people use double for are better served using fixed-point arithmetic.
Your example is an almost textbook case."
DeveloperMichael Smith replied to Adam Crain's discussion ARM based Arduino
"The ARM processor (CortexM3) in the upcoming ARM-based Arduino does not support "native double calculations".
There is a variant of the core (CortexM4F) that has hardware support for single-precision (32-bit) floating point operations,…"
DeveloperMichael Smith commented on Gary Mortimer's blog post Perhaps not the best news for UAS in the NAS, in the USA well private ones anyway.
"Gary,
As usual, the last link from Pat Egan lays it out clearly enough. I share your concern that folks are just burying their heads in the sand on this one; but short of rioting in the streets, what *should* we be doing to balance the…"
DeveloperMichael Smith commented on Bill Nesbitt's blog post AutoQuad ESC32 v1r5
"Randy, most UARTs (including those on the STM32) support operation in a multi-drop mode. There are a variety of ways to wire things; you can use RS-422/485 differential signalling (requires a line driver) as in many industrial applications, or…"
DeveloperMichael Smith commented on George Tarrant's blog post Offer of help with tuning PID loops
"George,
This is a remarkable offer and I'm truly a little surprised that more folks haven't jumped on it already.
Something that would help, I think, would be if you could clarify what inputs one would need to supply you with…"
DeveloperMichael Smith left a comment for Phil Sammons
"Phil, I did write a MAVlink bridge to FlightGear, yes. I was never able to get FG working properly to verify/finish it, sadly."
DeveloperMichael Smith commented on Andrew Tridgell's blog post Python MAVLink interface (version 0.2)
"I'm a bit curious why you need a parser if all you're doing is proxying.
Are you maintaining state on e.g. stream requests/rates and filtering accordingly for the various downstream consumers? Do you do request/reply…"
DeveloperMichael Smith commented on Chris Anderson's blog post San Francisco-area fly-in today
"@Mark - the meetup is more irregular rather than regular, but ping Chris and I'm sure he'll drop you a line. We usually get a day or two's notice at the moment. 8)
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DeveloperMichael Smith commented on Chris Anderson's blog post EyePlane kits and ARFs now available
"It's a Jarel design, meaning that a) it's not going to be "conventional", b) construction will be somewhat involved, but c) it will fly better than you expect.
In general his designs aren't the best if what you want…"
DeveloperMichael Smith commented on Duane Brocious's blog post New AMA Documents shed light on NPRM
"It would be interesting to understand the 2lb number; a little higher (2-3kg or so) would grandfather in many if not most of the currently popular foam UAV airframes.
Is it based on a bird-equivalent mass? Or was it just a nice round number?"
DeveloperMichael Smith commented on Chris Anderson's blog post DIY Drones 2011 Product Preview
"@robert no libs for what? The libraries APM uses have been ready for the 2560 for a while now."
DeveloperMichael Smith commented on Chris Anderson's blog post New Chinese EasyStar clone has built-in camera, transmitter with video display screen
"Much like the FDA has no problem with you importing a 1W chinese laser pointer ... oh, wait."
DeveloperMichael Smith commented on Chris Anderson's blog post New Chinese EasyStar clone has built-in camera, transmitter with video display screen
"Camera nicely positioned so that on your first landing you smack the lens with a rock.
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DeveloperMichael Smith commented on Robero Navoni's blog post What IDE Do you prefer for Multipilot32 - Ardupilot32 ? Arduino like Framework vs CooCox for Arm MicroController .
"@Todd not that I'm suggesting Java per se, but you seem a bit confused about a few things.
In general, languages don't "support DMA". DMA is a hardware facility, and support for it in an embedded environment boils down to…"
DeveloperMichael Smith commented on Mike's blog post Open robot manufacturers & law: immunity recommended
"@bGatti part of the problem with the question you're asking is that "crime" is a circumstantial definition; you could easily argue that "crime" is a consequential byproduct of the ordering of a society.
"
Profile Information
- About Me:
- _
- Tell us a bit about your UAV interest
- Hobby piloting - 15+ years embedded systems development, 5 years R/C flying, seems like the logical next step.
- Hometown:
- Adelaide, South Australia
Michael Smith's Blog
Choose your equipment carefully.
Posted on August 30, 2010 at 3:29pm 20 Comments 0 Likes
With the profusion of low-cost components available today, it's tempting to pick the cheapest one that looks like it will do the job and not stop to think too hard about how well it's going to work. After all, if it's for sale and other people are using it, it must be OK, right?
Continue
Consider this post by the respected DIY ESC developer Takao Shimizu, talking about a low cost controller available from a popular vendor:…
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Season Two of the Trust Time Trial (T3) Contest has now begun. The third round was a reliablilty/aerial photography round for both planes and copters, which is now closed. Stay tuned for the next round, beginning soon.A list of all T3 contests is here.
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