Chris Card
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  • Toronto, Ontario
  • Canada
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Started this discussion. Last reply by Chris Austin Jul 30, 2013. 13 Replies

The only way to get meaningful search results from this site is to use GOOGLE's advanced search feature to search this domain.I have a terrible time trying to search for information on this site.I'm…Continue

Tags: google, engine, search, bad

Combined Pitot Tubes LEAK!

Started Jan 13, 2013 0 Replies

I hope this is the correct place for this.There seems to be an ongoing problem with the 'combined pitot tube'I refer you to this discussion       …Continue

Pitot Tube Question

Started this discussion. Last reply by MV Reddy May 21, 2013. 33 Replies

I just got one of the new style pitot tubes with combined static & dynamic tubes.I noticed that if I plug the four holes around the tube and plug the hole at the tip, that there is cross flow of…Continue


Chris Card's Page

Latest Activity

Chris Card commented on Miguel Angelo's blog post The First Low Orbit Atmospheric Satellite ever Built in the World
"Wonderful project. Regarding the terminology... I thought that LEO started at 99 miles. What do you consider to be the difference between orbiting and flying? And.. Does that mean that the Zephyre does not work at low altitudes?"
Chris Card replied to Gary McCray's discussion Need RC PWM signal to 0-5 volts for my robot. in the group ArduRover User Group
"I did a quick Google search for a PPM->analog converter,  and, Maybe  THIS   will work.   It's intended for RSSI and it may have some undocumented characteristics (glitches on power  up / down) that make it…"
Aug 22
Chris Card replied to Gary McCray's discussion Need RC PWM signal to 0-5 volts for my robot. in the group ArduRover User Group
"Is the controller from ?  Because , they seem to have set-up software tools and often there are multiple choices for the type of throttle input..  such as  PWM 0 - 100%   ,  PWM 50/50…"
Aug 22
Chris Card commented on Taylor Glenn's blog post A Simpler Option for Aerial Imagery
"What a great idea to used this "push-broom" method for creating strip maps, just like the weather satellites. It would seem to me that this could make a great companion to a standard still image camera, and vise versa. The video based…"
Jul 30
Chris Card commented on wayne garris's blog post The Techstation
"That's a great , economical set-up! I too have had some terrible times trying to use a laptop outdoors, stuffing my face into the LCD screen when trying to adjust APM parameters. I eventually got a used Itronix XR-1 laptop after stalking ebay…"
Jul 30
Chris Card commented on Roger Sollenberger's blog post 3DR Announces Acquisition of Sifteo: Cutting-Edge Electronics, Cutting-Edge Drones
"Great stuff, Congrats."
Jul 30
Chris Card replied to Roben's discussion Where could I buy the sonar that can detect the stuff kilometers far away?
"You might also want to check out LightWare for laser range finders. "
Jul 28
Chris Card replied to Randy's discussion figuring out the Antenna Tracker
"I used the antenna tracker feature of Mission Planner with great success two years ago. But when my "field laptop" died I started to fiddle around with the Ardustation. While the Ardustation was fairly simple to use, the main purpose of…"
Jul 26
Chris Card commented on sixtimesseven's blog post DroTek releases DroPix flight controller
"The HCM5883 does not have this temperature compensation feature. You will notice that near the bottom of page 2 on both data sheets is where the temperature effects of the readings is quantified as a percentage, where the 5883 output is affected by…"
Jul 26
Chris Card commented on sixtimesseven's blog post DroTek releases DroPix flight controller
">Thorsten The HCM5983 datasheet could be a little bit clearer with their wording, that part on page 12 reads like it was written by a lawyer. The temperature compensation is not active by default and it must be turned on (initialized) on…"
Jul 26
Chris Card commented on sixtimesseven's blog post DroTek releases DroPix flight controller
"@sixtimesseven :  Thanks for posting this update on this PixHawk variant. I probably would have bought one from them if it was available 3 months ago. I held off buying a 3DR PixHawk for nearly 6 months because of those damn Df13 connectors! I…"
Jul 25
Chris Card replied to Jonathan Bowles's discussion Ricoh GR for aerial photography
"I don't have this camera but it has a good "rating score" at , though it seems quite expensive for a non-zoom camera. The field of view is a bit wide, but with 16 Mega pixels and RAW recording, cropping and…"
Jul 23
Chris Card replied to MHefny's discussion Changing Main frequency of HM-TRP 3DR Radio for Telemetry using AT Commands
"Thanks for the find! When I read this post I was skeptical about changing the RF operating band without changing any components on the circuit board because usually radios have filter circuits which are particular to an operating frequency…"
Jul 23
Chris Card commented on Robert Hoermann's blog post Soon availible... Redundancy for autopilots
"This project looks quite interesting, I look forward to reading the details."
Jul 18
Chris Card commented on Pedals2Paddles's blog post Congressman who oversees FAA being investigated by FAA for wedding drone photography
"Fantastic! This may turn into something like an Ouroboros ... with multiple bureaucrats."
Jul 17
Chris Card replied to Stefan Oosterhout's discussion Pixhawk analog servo support?
"The parameter    RC_SPEED   allows a range of 50Hz   to  490Hz  update rates. You may access this parameter from the Full-Parameter-List  section of the Config/Tuning tab in Mission Planner."
Jul 9

Profile Information

About Me:
I have recently re-ignited my interest in R/C airborne craft.
I think it was the FPV & AP systems that hooked me.
II work in special effects for film & T.V.
I'm no longer a kid but I still enjoy R/C boats and planes, model rockets.
I also like photography, boating (being around water), motorcycles & electronics.
Please tell us a bit about your UAV interest
I am interested in doing aerial photography.
It is my hope be able to map with photos, [for example; The area around a lake], from different directions to produce a "street-view" 360 Deg PAN -TILT etc. Maybe use it to show seasonal changes over an area.

Chris Card's Blog

New Firmware for XBeePro900

Posted on January 5, 2011 at 10:46pm 7 Comments

I just noticed that there is a new firmware available from DIGI for the XBeePro 900MHz radios.

The new firmware #1061 has added a choice for 1 or 2 stop bits for serial I/O.

New sleep functions , could be useful ground-side but not likely needed.

There also are some new network node functions.

There are 3 more diagnostic commands and there are functions for I/O sampling.

I haven't read though the updated manual, yet, but I hope to get to this weekend if the weather… Continue

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