Mark Grennan
  • Male
  • Oklahoma City, OK
  • United States

Mark Grennan's Friends

  • Eduardo Romero
  • al
  • Jacob Thomas
  • Jim Flannigan
  • Jason Dowdy
  • Victor
  • Max Levine
  • Michael Oborne
  • Antonio
  • Blake Krone
  • Chris McNair
  • john bero
  • Jason Short
  • Paul Mather
  • Randy

Mark Grennan's Groups

Mark Grennan's Discussions

PX4 Autopilot

Started this discussion. Last reply by Bill Bonney Mar 16, 2013. 5 Replies

My next project will be a HexCopter with a PX4 for the…Continue

Tags: Computer, Vision, On-board, OS, ROS

Documentation Menu tab on DiyDrones.

Started this discussion. Last reply by Anis Chihi May 6, 2013. 3 Replies

I think it's time for a Documentation Tab on the main menu.  Do we have a Documentation team?I'm an electronics Tech and RC hobbyist and I'm a little embarrassed to say it took me two years to build…Continue

Pre-flight Checklist

Started this discussion. Last reply by Mark Grennan Jan 24, 2013. 12 Replies

I'm working on a APM pre-flight checklist.  Here is what I have so far.  What would you add? How would you change the order?ArduPilot Mega Drone Pre-flight Checklist battery voltagemotor disconnected…Continue

Tags: safty, list, Mega, Check

X-Plain Simulator Setup

Started this discussion. Last reply by sachyy jay Feb 24, 2014. 29 Replies

I found the instructions for setting up the Simulator a bit sketchy.  I got it working on my Dell Latitude D830 laptop with Windows 7 Pro 64bit. I'm using X-Plain 9.21rc2,  the AruduPilotMega Planner…Continue

Tags: X-Plane, Setup


Mark Grennan's Page

Profile Information

About Me:
Opensource Software Systems / past electronics engineer, DBA who loves the outdoors. I'm returning to RC / electronics.
Please tell us a bit about your UAV interest
My primarily UAV interest is FUN. I'd like help provide weather and wild life data over unmanned parts of our country. IE go all the places I could never go my self.
Oklahoma City

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Mark Grennan's Blog

Want to Fly UAV - Come to Oklahoma

Posted on February 14, 2013 at 3:00pm 4 Comments

 Oklahoma Governor Mary Fallin announced a strategic plan for the state's unmanned aerial vehicle industry - A Strategic Plan for the Development of an Unmanned Aerial Systems Enterprise in the State of Oklahoma

From their home page - "USA-OK is a state…


6 months inside a drawer, APM 2.0 Flies for the 1st time as Arducopter!

Posted on February 13, 2013 at 9:00pm 2 Comments

Searching Youtube I found this video.  I wonder how many Arducopters are still in parts?

How to learn ArduPilot Settings

Posted on February 10, 2013 at 6:00pm 4 Comments

The best way to learn how to change the PID and other settings in ArduPilot is with a simulator.  I've made a quick video to show how to setup Ardupilot with Mission Planner and X-Plane.  When you get this working you can change the PID and other…


OHM = Oklahoma + (Hacker + Maker) * Space

Posted on July 29, 2011 at 2:43pm 2 Comments

A new home for hackers and makers in Oklahoma City.


The space has been cleaned and the walls have been painted. Soon the doors will open on a new makers space. OHM Space is an Oklahoma nonprofit corporation that seeks to create a safe, entertaining space in Oklahoma City where everyone can learn, create and share. OHM supports the Hacker, Maker and Local Art…


Comment Wall (2 comments)

At 1:50pm on December 8, 2010, Chris McNair said…

I would be glad to meet up with you! Glad to hear you have moved to a nice place!

Talk soon, you can call me anytime.

Chris McNair
At 8:02pm on January 27, 2011, john bero said…
I live alone, found this hobby to be an intensive enjoyable pastime.  It challenges me to learn things that I never thought I would ever know about let alone care to know about.  It's addictive.  The biggest problem is finding a place to actually test and fly the fruits of your labor.  With all the recent hype asssociated with the fpv, suav, going on in the media, the faa regulators are likely moving in to make what we do less open to access. 

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