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Electronics for Colin my R2D2
#1
Control board for Colin my R2D2.   Very much a work in progress. 

   
  [Image: IMG_9250.JPG]

Sabertooth 2x32 and Syren-10 power boards mounted on a swing out panel.    I am also using automotive relays and and fuse unit.  Powered from a single 12-volt SLA battery for the moment but I have two batteries and it will be run at 24-volts eventually.  
[Image: IMG_9251.JPG]

[Image: IMG_9256.JPG]

I am using the EZB control system.  I have managed to get the the EZB control system to drive the Sabertooth board, and that works fine.   Still having a few issues controlling the Siren-10 but getting there.  

I am using Eabels thingiverse Sabertooth/Siren card mounts and also the mounts for the panel itself.  

[Image: IMG_9207.JPG]


[Image: IMG_9209.JPG]
2
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#2
I love your hinged multilayered electronics board.

I am building an integrated electronics board into my 2-3-2 design, now I won't be happy until it is as cool as yours. Lot's of designing to do..
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#3
??
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#4
(11-03-2018, 12:27 AM)Martyman Wrote: I love your hinged multilayered electronics board.

I am building an integrated electronics board into my 2-3-2 design, now I won't be happy until it is as cool as yours. Lot's of designing to do..

Hi Martyman, been watching your 232 designs, very nice.  I think my multilayered board is a bit too deep at the moment so I may move the controller up into the dome. Then wire just the serial control back down to the electronics board.   Also I can connect a camera in the dome directly to the EZB controller.   Still planning it all...
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#5
I am wondering if it would be possible to design a book like arrangement where you can hinge out multiple "pages" of electronics. Maybe you could hinge one from one side and the next from the other side, and a third fixed at the back? But would make cable routing problematic? Obviously it wouldn't be as space efficient as what you have done.

I worry about serial communication over slip rings, just seems like a bad idea to me. Doesn't it fill your data lines with crackle as you spin it? But many people seem to do it with no problems.

I haven't seen the EZB controller before. It looks like it has plenty of inputs and outputs. Is it flexible enough if you have to use a graphical programing interface?
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#6
Hi Marty
Not yet tried the serial over the slip ring so will soon find out!  I think the padawan/Arduino control system approach is probably simpler but I have a few EZB controllers and it makes it compatible with my InMoov. The EZB certainly has lots of I/O and a camera connection.  I have now got the system running with a PS4 handset and the joystsick is controlling the Sabertooth/wheels setup fine.  Still working on controlling the Syren-10 motor-driver for the dome, however I may go back to my original idea and use a continuous high-powered servo instead, for the dome.  I need to print up a bracket for the servo. I have some HS-805B servos which hopefully will be powerful enough.

I also have a spare EZB controller so could have one in the dome and another in the main body.   They all wifi connect back to the main PC. EZB can be controlled as I say with a PS4 handset but also can be controlled by apps so iphones/ipads etc can have graphical layouts to control it.   Plus I am just now adding speech recognition and a chatbot service to it all. Thats the really nice thing with EZB, some of the add-on's possible.   Lots still to do but hopefully will have Colin [R2D2] and Nigel [InMoov] chatting together soon.
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