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electrical eng.


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endrew replied to Fête Mobile's discussion MinimOSD Hardware Development Roadmap
"OK, so I burned my minimosd today by using a single battery and separate analog and digital 5V.  
Would it still have got destroyed if I used a single batt, but connect analog and digital supplies, and not connect the 12V?

I'm trying to avoid…"
Jul 1, 2013
endrew commented on deadfalkon's blog post Building an Android based autopilot
"@deadfalkon Thanks for the reply.Did you program the phone drone using a PC and a male to male USB cable?
 
Thanks!"
Nov 16, 2012
endrew commented on deadfalkon's blog post Building an Android based autopilot
"Hi,How do you upload the arduino code to the Phonedrone board? Do you use the onboard USB port and an android phone? Is there an arduino version for android? Is it possible to use a PC to program the board? Thanks!"
Nov 15, 2012
endrew posted a discussion
I am using invensense gyros with an ardupilot mega for a quadrotor imu/controller.Attached are the reading from my gyros which seem to be very noisy, perhaps from vibrations. Is this amount of noise seem normal to you? I think it's much to noisy and…
Feb 17, 2011
endrew commented on endrew's blog post Another quadrotor project
"This clip is shot in Ben Gurion University in Israel, In one of the Mechanical Engeneering labs.
I've been playing around with quadrotors for a while, and when I discovered the optitrack system, I had to see if It will work... :)"
Nov 6, 2010
endrew posted a blog post
Arduimu and ardupilot hardware, with my own code. all control loops are simple PID. Position feedback using Optitrack system.
Nov 6, 2010
endrew left a comment for Richard
"*moments = movements"
Jul 20, 2010
endrew left a comment for Richard
"For some reason I can't reply your post directly.
To my understanding yaw pitch and roll are relative to the plain. In your example example the plain will head east after the roll and pitch moments.

However, this Is only semantics, so I can't be…"
Jul 20, 2010
endrew posted a discussion
I am using the code Jordi released here, and i'm getting about 2 meter peak to peak readings when the sensor is absolutely steel. I expected much better results, the manual says 9 cm resolution. what good is it if the noise is 20 times as…
Jun 6, 2010
endrew posted a discussion
Which input (IN0-IN7) controls the flight mode(autonomous or manual) by changing the mux control? thanks!
May 18, 2010
endrew posted a discussion
Does anyone know if the ublox EVK-5T supports raw data?thanks.
May 17, 2010
endrew posted a discussion
Is it possible to program both GPS to communicate with the same satellites?Then calculate the difference between the two GPS data to get a better relative position of the mobile GPS?I need  to get a relative Accuracy of less then one meter...Any…
May 8, 2010
endrew posted a discussion
HiI'm getting a very noisy speed measurement (unusable noisy...). I suspect the pitot tube for being responsible.I am using DIYdrones pitot tube. the silicon tube is about 40 cm (a little more the a foot) and the metal pipe is located at the wings…
Apr 24, 2010
endrew posted a discussion
Is there a date?? I really need a couple of them... :) thanks!
Apr 21, 2010
endrew commented on Mark Colwell's photo
"Tanks! this post realy helped me! :)"
Apr 10, 2010
endrew commented on endrew's blog post My Ardumega Arduimu quadrotor
"Yes it is. initially I thought it was a bad idea - to heavy and elastic. but now after I've seen the kind of punishment it can endure - well, it's great for learning!"
Apr 4, 2010
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