Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: rhyde

Search: Search took 0.00 seconds.

  1. Replies
    1
    Views
    136

    Ethernet Watchdog board based on Teensy 3.2

    I recently had the need to attach an Ethernet-based watchdog board to a couple of computers controlling a (research) nuclear reactor. Search though I did for a COTS product, I was unable to find...
  2. Replies
    2
    Views
    71

    I figured it out. I had to delete the Arduino SPI...

    I figured it out. I had to delete the Arduino SPI libraries before the Teensy libraries would take effect.
  3. Replies
    2
    Views
    71

    Annual IDE update and SPI fails

    Every year or so I make the mistake of updating the Arduino IDE and Teensy code. Every time it breaks my SPI code. I've completely forgotten what I did last time to get the proper SPI library...
  4. Some files work, some do not. Here's one of the...

    Some files work, some do not.
    Here's one of the source files that is giving me problems.
    https://www.dropbox.com/s/6g1h6828nqo4uke/PPAinTest.ino?dl=0
    (Note: will only be around about a month as of...
  5. Teensy Loader having problems on Mac OS High Sierra

    Just got a new iMac Pro running Mac OS High Sierra. Teensy loader seems to work only once. The second time I upload code the Arduino IDE often complains that "the compiler quit with no error...
  6. Replies
    11
    Views
    3,200

    I do have a small number of boards that require a...

    I do have a small number of boards that require a single cut and jump. I'd let them go for $15 plus shipping.
  7. Replies
    11
    Views
    3,200

    When the next batch arrives I might make a small...

    When the next batch arrives I might make a small number available. Probably around $25. Personally, I don't want to get in that business, but if there is sufficient interest in a group buy I could...
  8. Replies
    11
    Views
    3,200

    I've played around with a half-dozen solutions...

    I've played around with a half-dozen solutions (including adding a shift register to provide OE bits so I can programably set the direction). In the end, I think that my final solution is to build...
  9. Replies
    11
    Views
    3,200

    I actually made a small two-side PCB to plug onto...

    I actually made a small two-side PCB to plug onto the Weensy in place of the Adafruit Level Shifter. For the ten boards or so that I will ever build, that's going to work out just fine.

    As for a...
  10. Replies
    11
    Views
    3,200

    After researching the whole bi-directional level...

    After researching the whole bi-directional level shifter issue a bit, I think that I've come to the conclusion that for the Teensy I'll have to use separate input and output buffers for the GPIO...
  11. Replies
    11
    Views
    3,200

    Thanks, I will redesign that part of it. I've...

    Thanks, I will redesign that part of it.
    I've had only one issue to date, but most of my I/O is slow and/or unidirectional, which is why I've probably gotten away with it. The one problem I've had...
  12. Replies
    11
    Views
    3,200

    Weensy 3.6 now available

    The Teensy 3.6 is an open-source/open-hardware (Creative Commons 4.0 Attribution International license) board that provides I/O expansion and breakout capabilities for a Teensy 3.6 module. The Weensy...
  13. Replies
    1
    Views
    1,457

    Another Picture

    Here's a picture at night; I'd post a video, but 30 seconds is nearly 60MB. Probably a bit much...
  14. Replies
    1
    Views
    1,457

    A DMX-controlled Christmas Tree

    I combined a Teensy 3.2, the PRJC OctoWS2811 board, a MAX 481 chip (based on the design here: http://www.mathertel.de/Arduino/DMXShield.aspx), Paul's Octo library, Chris & Ward's DMX library, Light...
  15. Replies
    5
    Views
    1,685

    Someone ought to update this page:...

    Someone ought to update this page: https://www.pjrc.com/teensy/td_libs_SPI.html to reflect reality.

    On a similar topic, what's the trick to accessing different I2C ports? Wire3.begin() doesn't...
  16. Replies
    5
    Views
    1,685

    Thanks, that did the trick.

    Thanks, that did the trick.
  17. Replies
    5
    Views
    1,685

    setMOSI (et. al) on Teensy 3.6?

    I'm trying to move the SPI calls to the MOSI2, MISO2, and SCK2 pins on the Teensy 3.6:

    #define SPICS 43
    #define MOSI 44
    #define MISO 45
    #define SCK 46

    SPISettings WeensySPI( 2000000,...
Results 1 to 17 of 17