John Fitzgerald's Discussions (8)

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Discussions Replied To (8) Replies Latest Activity

"Earl: I looked at the pcb layout, you must have some 0.1uF caps to decouple the 5V s…"

John Fitzgerald replied Jul 6, 2009 to Parallax Propellar Auto Pilot

 11 Jul 7, 2009
Reply by Paul Har

"It is a function of weight, drag, the motor, battery, control, and desired climb rat…"

John Fitzgerald replied May 19, 2009 to Parallax Propellar Auto Pilot with OSD advancing

 22 Feb 28, 2012
Reply by Dr John Lannigan

"Why don't military UAV's use them? I've never seen them with the IR sensors. Maybe t…"

John Fitzgerald replied May 17, 2009 to Parallax Propellar Auto Pilot with OSD advancing

 22 Feb 28, 2012
Reply by Dr John Lannigan

"This says it does. But I think they are a lot of trouble. Dean has said they don't w…"

John Fitzgerald replied May 15, 2009 to Parallax Propellar Auto Pilot with OSD advancing

 22 Feb 28, 2012
Reply by Dr John Lannigan

"Is the Arduino downloader program based on National Instruments software??? Your sy…"

John Fitzgerald replied May 15, 2009 to Parallax Propellar Auto Pilot with OSD advancing

 22 Feb 28, 2012
Reply by Dr John Lannigan

"I climbed the Sandia mountain, but had to take the tram down. Are you making an ultr…"

John Fitzgerald replied May 12, 2009 to Parallax Propellar Auto Pilot with OSD advancing

 22 Feb 28, 2012
Reply by Dr John Lannigan

"Interesting, what sensors are you using. How did you program the different cogs? Is…"

John Fitzgerald replied May 12, 2009 to Parallax Propellar Auto Pilot with OSD advancing

 22 Feb 28, 2012
Reply by Dr John Lannigan

"Earl, you may want to try the BaroMod, same cost, but provides a linearized output,…"

John Fitzgerald replied May 11, 2009 to Baro pressure module smd500 only $39

 3 May 11, 2009
Reply by Brian Wolfe

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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.

A list of all T3 contests is here. 

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