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Old Jan 22, 2013, 02:36 PM
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JussiH's Avatar
3rd stone from the sun
Joined May 2007
2,670 Posts
New Product
Simple AlexMos 8bit brushless gimbal controller from Viacopter

Edit 20/3-2013

Pictures added of production prototype VectorDD gimbal for GoPro and a first prototype gimbal for mirrorless cam and small to medium DLSR.

More controllers will arrive on moday 25/3 at Viacopter

So,

I decided to take out a thread about the Alexmos gimbal system that will soon be launched from ViaCopter and Flyduino

Dont ask for preorders or lists - we are serious people, and we just dont begin to sell things that we dont have in stock Availability will be announced in good time before they go on sale.

Here are the videos:

Autoquad Alexmos gimbal test (2 min 36 sec)


PsykoKoptR vs Alexmos GoPro3 Gimbal (0 min 56 sec)


AutoQuad L1 vs Alexmos brushless gimbal (1 min 44 sec)


Alexmos gimbal onboard vid (0 min 45 sec)


Alexmos GoPro Gimbal (0 min 43 sec)


The gimbal is adjustable, so it can be balanced perfectly. It is also designed to put the lens on the exact center of the roll axis - something that is very important for aerial videography. Gimbal design by SebastianJ

Final production version with USB and IMU for camera:



Price for the controller and IMU is 110 Euro.

GoPro Gimbal for HeroHD and GoPro2 will be launched first. Also of course version for GoPro3. We dont have an ETA on those, since it depends on how fast our metalworking factory can produce them for us. We are shooting for them to be available inside 3-4 weeks, but its not a promise.

GoPro version is 268 grams with camera and controller. GoPro3 version will be slightly lighter.

We are currently designing gimbal for Compact and System cameras like HX9, Nex 5/5N/7 and EOS M.

Later will come versions for DSLR and Camcorders like CX730 and CX760.

Feel free to ask questions or post suggestions.

Thread shortcuts:

Tuning guide (By Fabien from E-copter)
http://www.rcgroups.com/forums/showpost.php?p=24435592

Motor winding info:
http://www.rcgroups.com/forums/showp...&postcount=151

Motor schematic for a 12n/14p motor:

http://www.rcgroups.com/forums/showp...&postcount=383

Detailed explanations on motor winding from jackerbes - thanks:

http://www.rcgroups.com/forums/showp...&postcount=368

http://www.rcgroups.com/forums/showt...815204&page=25

Basic information about Alexmos systems, licensing and cams possible to swing:

http://www.rcgroups.com/forums/showp...&postcount=347

GoPro3 Version - production prototype:


Design study and first prototype for mirrorless cam and small to medium DSLR:
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Old Jan 22, 2013, 02:45 PM
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kinderkram's Avatar
Germany, NRW, Dusseldorf
Joined Jun 2010
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Additional info

Like everyone else in the MR community the AutoQuad Team was seeking for a solution for a top notch gimbal control, though the internal camera stabilization of the AQ6 worked pretty well even with cheap gimbal/servo combos.





Spreadsheet by Soul Patch Films for PIDs and other settings for different gimbals/motors
https://docs.google.com/spreadsheet/...=sharing#gid=6







This video shows the complete setup and tuning process, examplary connected to an AutoQuad FC

VectorDD gimbal & Alexmos controller & AutoQuad flightcontroller (23 min 37 sec)




Thanx to the SBGC project by Alex Moskalenko and the efforts of AQ Team members like Jussi (ViaCopter), Paul (Flyduino), Felix (famous Flyduino NanoWii and UltraESC design) and SebastianJ (Gimbal design) we'll soon have what many desire: an affordable, simple but effective solution for Multirotors - and any vehicle you can think of attaching it to.

I'll try to collect some more info about Alexmos' SimpleBGC as we go...

Here you can find more info on the VectorDD / Alexmos brushless gimbal



Recommended forum tools:
Image Browser
File Browser

Here's a nice tutorial, based on Fabien's aka Bricobrac info:
http://aerialpixels.com/support/alexmos-brushless-gimbal-controller-simplebgc-tuning-guide

A growing FAQ by dasrustler can be found at http://aerialpixels.com/support/alexmos-setup-guide

Donīt miss the Step by Step instructions by Aerialpixels
http://aerialpixels.com/support/


You will also find most necessary Downloads here.

Before you plug in the board for the first time, get the Silab USB COM Port drivers for windows
Depending on your board you might need drivers by FTDI insteand.

Most important files for Windows can also be found in the attachments below.
Please Scroll down!






New Manual for the AlexMos / BaseCam controller:
http://www.rcgroups.com/forums/showa...mentid=6022506


SimpleBGC PID Tuning - 2.40 b6 FW (44 min 12 sec)


SimpleBGC 2.4 firmware (3 min 12 sec)



How to install and use the USB Windows COM Port Drivers and GUI software (by dasrustler)

Alexmos Brushless Gimbal Controller USB Driver Install & Initial Firmware (4 min 52 sec)



How to determine the orientation of the IMU's X/Y/Z axis (video by Buffythesaint)

X, Y and Z Axis (3 min 53 sec)



How to balance a DSLR on an Alexmos BL Gimbal (video by dasrustler)

Balancing DSLR Cameras for Alexmos Brushless Gimbals (2 min 5 sec)


Tutorial: Tuning a 3-Axis HiFly Gimbal with Alexmos Controller from Basecam (SimpleBGC) (7 min 55 sec)



How to perform the 6 Point Calibration on a cube (video by teramax)

how to - SBGC 6 point IMU calibration (5 min 51 sec)





Connection diagram and functions:


As you can see, Alex' solution is a separate controller with special firmware that can be connected externally to override the channels by both the flight controller and the receiver. The proto has a separate IMU.
As Jussi already mentioned Felix' design will include a USB connector and a separate IMU.
So you can easily connect it to the GUI for basic settings and control.

Using 2 Alemos boards for a 3-axis solution



Using the extension board for a 3-axis solution






Stacking the extension board on a v2 main controller






How to connect an analog joystick like the PS2 ones to your controller



- close J1 (JP1 or L1 on some boards) to provide 5V to the RC channels
- connect GND/5V of the joystick
- connect the VRx and VRy pins to RCpitch and RCroll
- assign the desired ports (in most cases pitch & yaw) in the RC settings
SOURCE: Analog
PITCH: RC_PITCH
YAW: RC_ROLL
- reboot your controller


More tutorial videos by dasrustler

Alexmos Controller V1 and V2 Joystick Connections and GUI Setup - Part 1 (4 min 38 sec)


Alexmos Menu Button Profile Setup Guide - Aerialpixels.com (6 min 12 sec)


Alexmos Receiver Connection, GUI Setup, Dual Operator Setup & GUI Setup (8 min 10 sec)




All-in-one GUI v2.x to setup and tune your SBGC




New Alexmos GUI quick introduction / tuning guide (16 min 27 sec)



Fabien aka Bricobrac from E-Copter wrote a nice tutorial on how to tune the PID settings here:
http://www.rcgroups.com/forums/showt...4#post24435592



All tools, firmware etc. can be downloaded here:
http://www.basecamelectronics.com/downloads






New Alexmos Android Configurator

[IMG]Android Configuration tool for the alexmos Controller[/IMG]

Can be downloaded at the Google Play Store





New Forum for the Alexmos / Basecam project:


http://forum.basecamelectronics.com





More videos of the ViaCopter/Flyduino SBGC will be collected in our YouTube Playlists






New 3axis Brushless Gimbal Extension by Alexmos:

BrushlessGimbal DSLR01 (3 min 38 sec)



New 3axis gimbal Controller



More info on the upcoming 32bit 3axis controller:
http://www.basecamelectronics.com/simplebgc32bit





How the "Follow Frame" mode works

SimpleBGC: How the "Follow Frame" mode works (12 min 19 sec)


FXPro Elite HD 3 Axis Handheld Brushless Gimbal - RED Scarlet - Follow Mode Demo (1 min 29 sec)



Alexmos did it again! Demonstrating the 5th axis for up/down movements:

Brushless 5-axis stab test (1 min 6 sec)



AutoQuad 6 Hexa X with BL Gimbal prototype







Some more yummie pics of the parts for the Alexmos brushless gimbal



Third Axis extension board (YAW)









V3 of the Alexmos 2axis Main Board (stackable 3rd axis board available



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Old Jan 22, 2013, 02:45 PM
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Efti's Avatar
Norge, Rogaland, Bryne
Joined Oct 2011
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Count me in on this gimbal.

My experience with the FreeIMU 0.4.3 is very good.
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Old Jan 22, 2013, 02:48 PM
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Nice looking gimbal
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Old Jan 22, 2013, 02:52 PM
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Old Jan 22, 2013, 02:57 PM
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please think on three axis gimbal too!
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Old Jan 22, 2013, 03:13 PM
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nice work! Looking forward to the release
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Old Jan 22, 2013, 03:15 PM
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The best picture so far

Sign me up!
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Old Jan 22, 2013, 03:36 PM
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Since Jussi posted the video for the first time people keep banging at our doors.

So there was an urge need to canalize the info - not having to tell everyone the same again and again...
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Old Jan 22, 2013, 03:38 PM
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I am ready!
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Old Jan 22, 2013, 03:44 PM
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Nice work guys, can't wait to try one out.
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Old Jan 22, 2013, 03:55 PM
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Quote:
Originally Posted by moriwaky View Post
please think on three axis gimbal too!
In the works.
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Old Jan 22, 2013, 04:15 PM
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PLEASE include a ramping feature on the tilt axis (pan axis when available). If you look at Zen videos you will notice pilot control on the pan and tilt axis are somewhat robotic. A ramping feature will smooth this movement.
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Old Jan 22, 2013, 04:25 PM
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Subscribe :-)
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Old Jan 22, 2013, 04:35 PM
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Count me in! Already reserved the bucks for it
Do you have a estimation what the motors will cost?

Great work guy's. I'm really looking forward to it.
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