Nathaniel McMahon
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  • Beijing
  • China, mainland
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Smoothing out tips

Started Jan 31 0 Replies

I've been flying with my alexmos Gimbal with a Sony A7r and occasionally get judders and shake in the footage. I tried yesterday without the in camera stabilization and it's a nightmare (hats off to…Continue

Tags: gimbal, PID

Octo overshoots Yaw by about 80% PID's don't seem to make any difference???

Started this discussion. Last reply by Nathaniel McMahon Oct 12, 2017. 1 Reply

Vehicle: octo running arducopter latest build 3.5.3. frame 910mm 6kg without payload.I've just swapped over to a Pixhawk 2 FC and i've noticed a strange behavior with Yaw before and after tuning and…Continue

Tags: PID

 

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Nathaniel McMahon posted a discussion

Smoothing out tips

I've been flying with my alexmos Gimbal with a Sony A7r and occasionally get judders and shake in the footage. I tried yesterday without the in camera stabilization and it's a nightmare (hats off to the Sony). Here's a quick vid i've upped from today. https://youtu.be/BYW43pszDDIIt's a 910mm Octo running a Pixhawk 2.1, Copter autotuned. Gimbal Autotuned with extra refinement. I'm noticing very slight vibes watching the UAV in flight. Gimbal mounted on…See More
Jan 31
Nathaniel McMahon replied to Nicholas Witham's discussion Solo link in a DIY Drone
"Yep I'm interested also. But I think it utilizes the solo onboard Linux computer?? So no it's not an simple integration. But you could buy a solo and change everything else."
Dec 13, 2017
Nathaniel McMahon replied to Paulo Neves's discussion Campaign for Sony Multiport protocol reverse engineering
"There's many commercial solutions like this and code is pretty much out there for simple triggering and zoom so that's not so much a problem. But full control has not been reversed engineered although it seems some are looking into it it…"
Dec 6, 2017
Nathaniel McMahon replied to Paulo Neves's discussion Campaign for Sony Multiport protocol reverse engineering
"The uart is only from FC to their unit. Not to the camera."
Dec 3, 2017
Nathaniel McMahon replied to Paulo Neves's discussion Campaign for Sony Multiport protocol reverse engineering
"My mistake. Further investigation and it communicates through infra red sensor. I believe it has exposure control via some battery compartment connection. But that's it."
Dec 3, 2017
Nathaniel McMahon replied to Paulo Neves's discussion Campaign for Sony Multiport protocol reverse engineering
"I think the guys behind air commander have pretty much mapped all functions now. also have uart control. Which it was open source though. "
Nov 29, 2017
Nathaniel McMahon replied to crayfellow's discussion SimpleBGC (alexmos) and APM
"I'm in the process of ordering thew HDStudioMR Pro right now and have requested mavlink control to free up for slipring wires for other things. Have you got anywhere in achieving full mavlink communication with the alexmos controller?"
Jul 19, 2017
Nathaniel McMahon replied to Chris L's discussion Pixhawk with DJI Lightbridge
"solo link boards are available at $50 a pop https://store.3dr.com/products/solo-link-im6-board how to incorporate them into a pixhwark 2.1 build I've not idea though "
May 4, 2017
Nathaniel McMahon replied to Konstantin Romanov's discussion Simple remote shutter trigger for Xiaomi Yi camera
"Great hack and post, thanks Konstantin. Just made your switch and It works great when I pass a 5v current through it, (My FC is a Navio2 based on a pixhawk and has RC out at 5v so I just added 200Ohm resistor). But I can't seem to get the FC to…"
Oct 11, 2016

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Please tell us a bit about your UAV interest
Aerial photography architectural and photogametry
Hometown:
London

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