|Feb 10, 2013, 04:21 PM|
Joined Sep 2011
Open Source Brushless Gimbal
since Alexmos started his brushless gimbal, a lot of people started something similar.
a friend of mine and me dicided in decmeber last year, to do something like alexmos and in the last weeks, it developed pretty fast.
here you can see our code and hardware:
here a video with the latest version, but with only quick PID tuning:
it all started in the fpv community:
the hardware is pretty simple and lowcost, similar to alex.
Maybe some of you guys want also to jump on the open source train
|Feb 10, 2013, 11:30 PM|
Good idea to have a english thread as the german language is hard to understand.
to get the ball rolling we need a source for PCB manufacturing and parts.
more folks would jump on if the board was easily available for purchase. "at A reasonable low price"
Some one with the know how could take the schematics, part list and run a 100 board batch similar to the germans. (The first batch of the german board sold off in like one day I think)
That way more folks would have a board to tinkle with which in turn will draw more code guru to the table.
By the way If any know how to person choose to run a 100 board batch on here,
Do put my name HEXA at the top of the first batch list. Regards
|Feb 10, 2013, 11:42 PM|
Its times like these I remember folks Like TimeCop.
Too bad The Rc-Groups Politicians drove him away from this forum
|Feb 11, 2013, 04:41 AM|
Hong Kong, Sham Shui Po
Joined Jun 2012
.yes we are on the train. we just rewound the motors and built a simple prototype for testing. we used 0.2mm wire to rewind the emas motor with 60 turns.
and totalweight of the gimbal is around 220g included the control board.
hopefully we will have time to do a test flight test tomorrow...
|Feb 11, 2013, 05:34 AM|
Joined Jan 2009
i would be very interrested to "get in the train" as all those people following the german thread, sadly , it is kind of hard for me to read that (but english is more than ok)
is that possible for us to locate the necessary information as where to buy the board if we can buy it (or were are the schematics) and put the link in this thread
but also what sensor to use, what gimbal design must be use, what kind of motor is better, how to rewind that.
i would be more than interrested to be a beta tester if needed, i can rewind brushless, read C code if needed ,cut with cnc, mill simple boards, and also fly and test the gimbal for real
i'm begining with what i found:
schematics are here of course: http://code.google.com/p/brushless-g...downloads/list
looks like motor winding is here (but in german and google translate is not very accurate ) :
didn't found the sensor used
but i finally found the website...
|Feb 11, 2013, 10:54 AM|
Joined Dec 2010
Is it make with the Open Source Code from the german guys ?
|Feb 12, 2013, 06:00 PM|
I am on the list for the next batch of BL boards, I cant wait
I have rewound 2x RCTimer 2830 750KV for my GoPro gimbal. Obviously I have no controller to test it on, but after taking meter readings ( 10.6 ohms over 2 phases ) using 60 turns of 0.18mm I put it on a normal ESC.
It works, it spins up, very slow compared to stock so I presume KV is down and torque is up. However it stutters at very low speed, and had no torque at all. Is this right bearing in mind its a stock esc its on ?
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