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About Me:

B.Sc in Electronics, used to be in Army Signals, so know a decent amount about RF, although not at a PCB level. Now working as an avionics maintenance engineer.


Activity Feed

Simon Kerr posted a blog post
Local quad "expert" asserts that there will be a series of major incidents worldwide using "drones" in the next 6 months. CAA (NZ) says drone technology has outpaced its regulations and it needs to move with haste to get new rules in place to keep…
Jan 25, 2014
Simon Kerr commented on frederic reblewski's blog post 3D printed brushless gimbal for GoPro
"Why not use a camera with a cylindrical form like the Ion Air http://www.iontheaction.com/. Rotate the gimbal 90 degrees so pitch becomes roll and roll becomes pitch, and the roll stepper motor can be aligned with the center of the lens of  the…"
Jul 2, 2013
Simon Kerr commented on Marooned's blog post [changed] Helicopter ground resonance
"Reminded me of a full sized incident that happened locally recently. I know it's not ground resonance (muppet on ground pulls cable into main rotor), but impressive anyway. https://www.youtube.com/watch?v=v5aMT9MBfZI …"
Mar 1, 2012
Simon Kerr commented on Chris Anderson's blog post 3D printed gyro-stabilized pan-tilt gimbal for the GoPro
"Cool. Now can we daisy-chain a second one off the head of the first with higher sensitivity sensors to make the head movement even smoother (i.e. less susceptible to platform vibration and rapid movement). Would that work?"
Apr 5, 2011
Simon Kerr commented on Chris Anderson's blog post New Arduinos announced!
"Would love to see an arduino with native USB and USB host ability without the need for a shield."
Sep 26, 2010
Simon Kerr commented on Krzysztof Bosak's blog post Quick and dirty methods for fully automatic photomapping on the field
"@brakar, Have you tried using some tool like Advanced JPEG Compressor? I use it to batch compress photos before loading them into Google Earth or Global Mapper. You can tweak the setttings, but the default settings generally cut the file size by 80…"
May 12, 2010
Simon Kerr replied to Mark Willis's discussion Making Digital Elevations Models (DEM) on the cheap
"Is there a package version of Bundler anywhere? I tried following the instructions that came with the binary, but failed. It appears to run, but the output file is 0 bytes."
Feb 11, 2010
Simon Kerr commented on Chris Anderson's blog post Autopilot brownies
"I think I just threw up a little... :'("
Jan 18, 2010
Simon Kerr commented on Faisal Shah's blog post $69 1000mW FHSS Transceiver (900MHz)
"I'm hoping I can adjust its frequency bands. It's capable of 902 - 928 MHz, but in NZ I'm only allowed to use 921-929 MHz at 1W, and only 3mW for the rest of that band."
Jan 9, 2010
Simon Kerr commented on Jordi Muñoz's blog post Reminder: Sparkfun Free Day Is Tomorrow @ 9am MST!!
"And it's back up. Cart intact."
Jan 7, 2010
Simon Kerr commented on Jordi Muñoz's blog post Reminder: Sparkfun Free Day Is Tomorrow @ 9am MST!!
"D'oh! What's to bet they bring it back online right on time, and everyone's carts are empty. That would be chaos."
Jan 7, 2010
Simon Kerr commented on Jordi Muñoz's blog post Reminder: Sparkfun Free Day Is Tomorrow @ 9am MST!!
"It's working fine for me here in New Zealand. It's 4 am. 1 hr to go."
Jan 7, 2010
Simon Kerr commented on Chris Anderson's blog post This is why we picked Arduino--it's taking over the world!
"Ok, to say that Picaxe can't do trig was a bit harsh. it was more the floating point limitations that frustrated me."
Jan 1, 2010
Simon Kerr commented on Chris Anderson's blog post This is why we picked Arduino--it's taking over the world!
"I started with Picaxe, but found that the official forum and community was small and stagnant. Also, RevEd, who own the Picaxe bootloader, have not implemented "advanced" maths functions like sin, cos, etc. To get that capability requires an…"
Dec 31, 2009
Simon Kerr commented on Jordi Muñoz's blog post New ArduStation Code: Now with Pan/Tilt Tracking Antenna
"Some more links to slip rings here and here"
Oct 10, 2009
Simon Kerr commented on Jordi Muñoz's blog post New ArduStation Code: Now with Pan/Tilt Tracking Antenna
"Has anyone looked into slip rings to avoid the cable wrap issue? I found these ones via the molecube site. Has anyone found a cheaper alternative?"
Oct 9, 2009
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