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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

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


Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"No idea, and yes. "
Aug 12, 2013
tommy left a comment for Michael Smith
"hi mike i am new to quadcopters, recently developed one based on the silicon labs si1000 and imu6050. i have some questions on dual/ cascade pids. hope you can help or direct me to someone. regards tommy"
Jun 28, 2013

Developer
Michael Smith replied to Marc's discussion PX4
"You may have more luck asking questions about the PX4 components on the PX4 Answers site here: http://answers.px4.ethz.ch/questions/"
May 27, 2013

Developer
Michael Smith replied to Mike Mac's discussion Firmware Updates
"Well, for posts like this, one has to wonder what you expect them to say. Nobody is hiding anything from you, as far as I can tell. The firmware repository is public on GitHub, so if you're interested in following any changes they're right…"
Mar 6, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"Jake, The fact that you don't like something doesn't mean that it's a "design flaw". As far as beating a dead argument goes, I'm happy to concede that you have beaten yours far harder than I have any interest in beating…"
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"@Veikko - I guess it depends on what you mean by "technically". Yes, you can modify and update the firmware (the entire software stack is open-sourced, and the toolchain is free). I outlined in a previous reply to Jack the resource…"
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"Jake, "The devs" (meaning Tridge, Seppo and myself, largely) are "enthralled" about building a radio link that is affordable, reliable and easy to use, and we're happy to see more UAVs with reliable telemetry which can only…"
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"Your understanding is largely correct, but incomplete. The current SiK firmware emits MAVlink packets on the local serial interface to manage flow control, and there has been discussion about using knowledge of the outbound stream to implement some…"
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"The 3DR radio firmware participates in the protocol stream, and it is controlled using AT commands. Any module interposing the conversation would have to be similarly aware. It's not a bad idea for experimentation though."
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"Thanks for the cut-n-paste, but I think you missed my point. Anyone can run Fortify on a chunk of code and spam the results into a forum; by hopping the fence I'm suggesting that if you think it's actually important, how about a diff that…"
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"I submit that you are arguing with a "more knowledgable person", and you're just not quite getting it yet. The "real concern" here is that you are concern trolling about an issue that has existed for as long as folks have…"
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"Rather than trying to be snarky and condescending, you could just have asked "Mike, what makes the KW01 an interesting option?", and I'd have been happy to share a number of observations. You might also have asked "why not a…"
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"The RF200 is based on the ATMega128."
Jan 31, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"As I've noted elsewhere in this thread, this is misleading. It's not really simple, and it's not really a solution. You are, of course, welcome to build something like this, and I look forward to the Black Hat presentation about it…"
Jan 30, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"@Jake - you really should look at the code - you speak as though you're an authority, but what you're saying doesn't actually bear much of a resemblance to reality. The SiK firmware is not a "simple radio link" - this is…"
Jan 30, 2013

Developer
Michael Smith replied to Stefan Gofferje's discussion Encryption in 3DR radios?
"Jake; it's fine to scribble on napkins, but better if you actually try a few experiments first, or perhaps talk with the developers before getting too carried away, as you're jumping to some bad conclusions here. Also, before I begin,…"
Jan 30, 2013

Profile Information

About Me:
_
Please 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

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?


Consider this post by the respected DIY ESC developer Takao Shimizu, talking about a low cost controller available from a popular vendor:…


Continue

Comment Wall (2 comments)

At 7:10am on June 12, 2012, Maqbool said…

hello! sir i am looking for ARDU PILOT MEGA KIT that include OIL PAN REV-h IMU board((https://store.diydrones.com/ArduPilotMega_IMU_Shield_OilPan_Rev_H_V1_0_p/br-0012-01.htm). i want to ask does sensors (accelerometer and gyro) are already mounted on it or i have to order these sensors separately!

At 7:08am on June 28, 2013, tommy said…
hi mike i am new to quadcopters, recently developed one based on the silicon labs si1000 and imu6050.
i have some questions on dual/ cascade pids.
hope you can help or direct me to someone.
regards tommy

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