About Me:

Electrical Engineer

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Los Angeles

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Arko replied to Arko's discussion Sensitive throttle - No low throttle
"Ok, so an update in case someone in the future has this same problem. I ended up adding an ultrasonic sensor to help the altitude state estimation. I just trusted the code, slowly brought up the throttle and it took off and hovered! I did two or…"
Jan 15, 2013
Arko posted a discussion
Hi,So my quad had been sitting around for a few months and I decided to upgrade the software and try to fly it. It's a stock 3DRobotics kit. I downloaded the latest version of Mission Planner 1.2.29 and uploaded the quadrotor firmware it came with.I…
Jan 9, 2013
Arko replied to Arko's discussion Defective L3D4200D?
Jan 6, 2012
Arko posted a discussion
I need some help identifying an issuing I'm having with the L3D4200D 3-axis gyro. Attached is a screenshot of a data capture I took. Now this is just the sensor being tilted forward then backward. What I expect to see is a smooth (a little noisy)…
Jan 4, 2012
Arko posted a discussion
So over the past few weeks I've been stuck on what seems to be a very difficult problem. I have a quadrotor I'm working on and I have implemented a Kalman Filter on it. Now, the Kalman Filter is fairly simple and really the same as many of the ones…
Sep 5, 2011
Arko commented on Troy Reabe's blog post Cool FPV setup.
"Absolutely astounding! Great work man, and excellent choice of music!"
Aug 30, 2011
Arko replied to Arko's discussion Arm Cortex-M3 based Quadrotor Board
"The picture is a bit out of date, but the quadrotors IMU and control code is complete. All that's left now is improving hardware to reduced high frequency vibrations from the motors, as well as new props. The control board is going through it's…"
Aug 23, 2011
Arko posted a discussion
So for the past two months I've been working on a quadrotor project, and I've designed an ARM based board just for it. Contains a TI LM3S9B96 ARM Cortex-M3 (not out yet, some how convinced TI to send me a few), 3-axis gyro, 3-axis accel, compass,…
Feb 16, 2011