Thread: PWM(S-BUS)+LANC+DC12V BMMCC Angle Breakout Expansion Box Module by RADIOPROEKTOR

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  1. #21  
    Thanks Shijan, I'm a fan of what you're doing.
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  2. #22  
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    Quote Originally Posted by LJR View Post
    Thanks Shijan, I'm a fan of what you're doing.
    same here. put me down for one of your expansion boxes when you get to the selling part of this process.
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  3. #23  
    Senior Member shijan's Avatar
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    Currently i search a better way to manufacture a body of the box. At this Sunday my friends made test samples on usual FDM 3D printer and i don't like the results. It appears not too precise and material not strong enough for this kind of small things, also it takes too many time for batch manufacture. So i refuse my idea of simple 3D printed body.
    Now i got few other more precise and professional manufacture options, like DLP/SLA 3D printers or CNC machined body sample for future molding. Need to test that things too.
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  4. #24  
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    Quote Originally Posted by shijan View Post
    Currently i search a better way to manufacture a body of the box. At this Sunday my friends made test samples on usual FDM 3D printer and i don't like the results. It appears not too precise and material not strong enough for this kind of small things, also it takes too many time for batch manufacture. So i refuse my idea of simple 3D printed body.
    Now i got few other more precise and professional manufacture options, like DLP/SLA 3D printers or CNC machined body sample for future molding. Need to test that things too.
    Keep up the good work Shijan.
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  5. #25  
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    Last edited by shijan; 02-14-2017 at 05:24 AM.
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  6. #26  
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    An idea might be to just source the parts and post links for a cool DIY project with the STL file for printing. An engine block is not a precise casting it's later machined to spec. You could do the same with 3D printing, print the rough block that can later be finished with tools. A simpler , albeit less sexy, beefier design with less reliefs and cutouts.

    Good Luck
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  7. #27  
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    Quote Originally Posted by Howie Roll View Post
    An idea might be to just source the parts and post links for a cool DIY project with the STL file for printing. An engine block is not a precise casting it's later machined to spec. You could do the same with 3D printing, print the rough block that can later be finished with tools. A simpler , albeit less sexy, beefier design with less reliefs and cutouts.

    Good Luck
    thats what I was pretty much planning to do
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  8. #28  
    Senior Member shijan's Avatar
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    Was testing today different wires thickness and the way to solder them and confirmed that Dupont Jumpers warped with heat shrink tube will fit to VGA pins.
    Also done a little chart with Lumberg/EST vs OEM China connectors comparison. DC power connectors are also different. I can't find a Lumberg DC power connectors in local stores yet, but already find another brand which is better quality than OEM.



    Last edited by shijan; 10-29-2017 at 04:07 AM.
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  9. #29  
    Senior Member shijan's Avatar
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    Quote Originally Posted by Kim View Post
    the tip should be + 5V to avoid problems when connecting or pulling the connector out. the first contact ground and middle the SBUS. But I do not much care about the plugs.

    Someone would anyway contact and burn headphone or mic on it.
    Sounds logical, but i just checked LANC pinout for compare and tip is used for signal, and middle contact used for DC power.
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  10. #30  
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    The Power for LANC is very low, so having the tip (signal) pass by the power connection on its way in, and does not create a short, or issue with the LANC controller. SBus would be another issue, as it is 5VDC, so I would make that a power to tip, SBus signal ring, and ground Steve.
    Cheers
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