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  • brtaylor's Avatar
    05-18-2019, 08:17 PM
    brtaylor replied to a thread Emmc in Project Guidance
    That's pretty cool! I'll have to play around with the library. I see some PCI to USB interface controllers on DigiKey, seems like I may be able to put a PCI slot on my boards and then use a M.2 2242 type of an SSD....
    9 replies | 109 view(s)
  • brtaylor's Avatar
    05-18-2019, 02:55 PM
    brtaylor replied to a thread Emmc in Project Guidance
    I'm using several GB; although, right now that's being compressed and I'm being selective about data because I'm limited to a 1 MBaud connection between the SBC and Teensy. Certainly with a higher bandwidth connection,...
    9 replies | 109 view(s)
  • brtaylor's Avatar
    05-18-2019, 01:39 AM
    brtaylor started a thread Emmc in Project Guidance
    Apologize in advance for a more rambling post than usual. Just finished one project and thinking about options for the next. I need to do some more research and hoping to jump start my lack of knowledge from the minds...
    9 replies | 109 view(s)
  • brtaylor's Avatar
    05-17-2019, 05:16 PM
    The backpacks are meant to work with each other. So, on the dual backpack you could have an SBUS Backpack next to a GNSS Backpack, for example, and have the total stack height less than using the Solo Backpack. The...
    44 replies | 3404 view(s)
  • brtaylor's Avatar
    05-12-2019, 04:13 PM
    brtaylor replied to a thread uBlox Library in General Discussion
    Good! Glad it's working well for you. Brian
    105 replies | 15356 view(s)
  • brtaylor's Avatar
    05-11-2019, 03:39 PM
    brtaylor replied to a thread uBlox Library in General Discussion
    My latest and greatest is typically on GitHub, so this one should work fine: https://github.com/bolderflight/UBLOX It shows printing several values, but a full list of available methods to get data is located here:...
    105 replies | 15356 view(s)
  • brtaylor's Avatar
    05-07-2019, 10:35 PM
    Read up on byte padding and structure member alignment. If you really care about how data is aligned and need it to stay aligned across different devices, you should really define an unsigned char array and assign the...
    5 replies | 85 view(s)
  • brtaylor's Avatar
    05-06-2019, 04:58 PM
    brtaylor replied to a thread SBUS Library in General Discussion
    You should just do readCal once and then print all the channels in succession. This line: x8r.readCal(&channels, &failSafe, &lostFrame) is just passing the addresses of the channels array, fail safe...
    47 replies | 9977 view(s)
  • brtaylor's Avatar
    05-05-2019, 05:24 PM
    brtaylor replied to a thread SBUS Library in General Discussion
    Hi John, Typically, people will estimate non-dimensional coefficients to model the aircraft dynamics. One part of that process essentially normalizes the data by the airspeed. The mass properties of the aircraft...
    47 replies | 9977 view(s)
  • brtaylor's Avatar
    05-05-2019, 04:54 PM
    brtaylor replied to a thread SBUS Library in General Discussion
    Yep, the Teensys can do inverted logic and the library is handling all of that for you.
    47 replies | 9977 view(s)
  • brtaylor's Avatar
    05-05-2019, 04:49 PM
    brtaylor replied to a thread SBUS Library in General Discussion
    What are you accomplishing with the N3904 and resistors? Should work fine with the SBUS receiver directly connected to the Teensy.
    47 replies | 9977 view(s)
  • brtaylor's Avatar
    04-26-2019, 05:59 PM
    brtaylor replied to a thread SBUS Library in General Discussion
    Looks like Oct 31, 2018.
    47 replies | 9977 view(s)
  • brtaylor's Avatar
    04-26-2019, 04:37 PM
    brtaylor replied to a thread SBUS Library in General Discussion
    Cool photos, thanks for sharing! I really like Osh Park for 2 and 4 layer boards, if you end up needing the extra complexity. Osh Stencils are nice for cheap stencils - my preference is their stainless stencils and...
    47 replies | 9977 view(s)
  • brtaylor's Avatar
    04-25-2019, 12:37 AM
    brtaylor replied to a thread SBUS Library in General Discussion
    Easy peasy. My SBUS library can directly give you pilot inputs. If you use the readCal function, you can get these so that full stick deflection is +/-1 on each channel. It sounds like you're attempting to do some...
    47 replies | 9977 view(s)
  • brtaylor's Avatar
    04-04-2019, 06:24 PM
    Yes, I did a prototype run and those work fine with the updated core software. Between grant writing season and contract work I haven't gotten around to putting together a production run; thanks for the reminder, I'll...
    50 replies | 11744 view(s)
  • brtaylor's Avatar
    03-21-2019, 12:34 PM
    brtaylor replied to a thread uBlox Library in General Discussion
    Can you post the header and source of your modified library enabling the additional packets?
    105 replies | 15356 view(s)
  • brtaylor's Avatar
    03-20-2019, 01:12 PM
    https://www.pjrc.com/teensy/schematic.html
    5 replies | 195 view(s)
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Emmc 05-18-2019 08:17 PM
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