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  • brtaylor's Avatar
    07-11-2019, 09:08 PM
    Silly question. Why wireless when the distance is so short?
    5 replies | 98 view(s)
  • brtaylor's Avatar
    07-01-2019, 12:41 AM
    Thanks! That's an interesting reference.
    3 replies | 147 view(s)
  • brtaylor's Avatar
    06-28-2019, 11:30 PM
    I ran into an interesting observation and I'm looking for some insight. I typically use this crystal for my Teensy 3.6 based custom projects: https://www.digikey.com/products/en?keywords=644-1099-6-nd But for my...
    3 replies | 147 view(s)
  • brtaylor's Avatar
    06-28-2019, 09:03 PM
    I use KiCad.
    11 replies | 349 view(s)
  • brtaylor's Avatar
    06-25-2019, 03:59 PM
    Here's a link to a Teensy 3.2 reference board clone: https://github.com/thewknd/teensy-boards/tree/master/Teensy%203.2%20reference%20board%20clone It has a shared cart on Mouser that you can view. Honesty though,...
    2 replies | 183 view(s)
  • brtaylor's Avatar
    06-14-2019, 03:35 PM
    Completely depends on what your requirements are. We don't know the accuracy that you need to measure current or the expected current range. The click board isn't doing anything magical - it's simply buffering the...
    2 replies | 162 view(s)
  • brtaylor's Avatar
    06-13-2019, 01:42 PM
    The ATmega 328 and similar are great through-hole packages as well - very straightforward to design a working PCB and you can stick with hand-soldering through-hole parts. The reference manual is relatively short and...
    9 replies | 326 view(s)
  • brtaylor's Avatar
    06-11-2019, 07:43 PM
    Yes, that's what's needed.
    9 replies | 327 view(s)
  • brtaylor's Avatar
    06-11-2019, 06:13 PM
    Simply use one of the other bus objects, i.e. Wire1 instead of Wire.
    9 replies | 327 view(s)
  • brtaylor's Avatar
    06-05-2019, 05:37 AM
    Thanks for that bit of information!
    77 replies | 26560 view(s)
  • brtaylor's Avatar
    06-04-2019, 09:35 PM
    Trying out MTP Responder. Shows up fine on Windows 10 using a Teensy 3.6 with the built-in SD running MTP Blinky with the patch mentioned in the PR applied. I can create folders, but not rename them (i.e. I can make...
    77 replies | 26560 view(s)
  • brtaylor's Avatar
    05-31-2019, 05:10 PM
    It definitely takes a bit of work to get FreeRTOS working on Teensy 3.x since it has not been maintained. I also had issues getting floating point math to work on Teensy 3.5 and 3.6 and, ultimately, shelved that...
    3 replies | 181 view(s)
  • brtaylor's Avatar
    05-30-2019, 06:39 PM
    Are you asking because of servos? Anecdotally, all seem to be fine with 3.3V logic, even on high voltage supplies.
    6 replies | 239 view(s)
  • brtaylor's Avatar
    05-28-2019, 04:55 PM
    Yes, I've used the PJRC MKL02 for several projects where I needed to meet specific temperature ranges or access to pins not available on the Teensy board. It's allowed by PJRC and one of the great ways they support...
    6 replies | 321 view(s)
  • brtaylor's Avatar
    05-27-2019, 04:35 PM
    At least the processor and bootloader are rated for -40C; both the MK64FX512VMD12 and MKL02Z32 are -40C to 105C temperature rated. So you could roll your own Teensy 3.5 hardware design that is compatible with Teensy...
    6 replies | 321 view(s)
  • brtaylor's Avatar
    05-25-2019, 04:40 PM
    brtaylor replied to a thread Emmc in Project Guidance
    Got a little test setup - an EMMC breakout to a micro-sd card adapter. Tested on windows via a micro-sd to USB converter I have and it shows up as a USB drive and formats correctly. Plugged into the Teensy 3.6...
    15 replies | 553 view(s)
  • brtaylor's Avatar
    05-25-2019, 03:49 PM
    brtaylor replied to a thread uBlox Library in General Discussion
    A couple of ways I can think of at the moment: 1. You could look at the fix type and ensure that you have a time fix or better (i.e. 2D or 3D). 2. You could look at the isValidDate() flag and the isConfirmedDate. If...
    111 replies | 17424 view(s)
  • brtaylor's Avatar
    05-22-2019, 09:38 PM
    brtaylor replied to a thread uNav INS in General Discussion
    I'm too busy with client projects at the moment.
    678 replies | 130187 view(s)
  • 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....
    15 replies | 553 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,...
    15 replies | 553 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...
    15 replies | 553 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 | 4206 view(s)
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Submillisecond latency RF link 07-11-2019 09:08 PM
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03-21-2016