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  1. The Teensy 4.1 card back side isn't published, in...

    The Teensy 4.1 card back side isn't published, in either image or PDF:

    https://www.pjrc.com/teensy/pinout.html
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    The PiHut is a bit cheaper now, £54.99 for two...

    The PiHut is a bit cheaper now, £54.99 for two Teensy 4.1s with untracked shipping. Even so, Digi-Key is still cheaper today £54.12 with tracked shipping that turned out to be fast (maybe I just got...
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    I just placed an order for a couple Teensy 4.1s,...

    I just placed an order for a couple Teensy 4.1s, and found it was cheaper to buy from Digikey than from the UK shops as I ordered enough (>£33) to get free shipping, and I was able to get all the...
  4. Take a look at this project for reference: ...

    Take a look at this project for reference:

    https://forum.pjrc.com/threads/63144-OctoWS2811-library-version

    Also maybe this one:
    https://github.com/wramsdell/TriantaduoWS2811

    This library...
  5. I just posted details of a project I made with...

    I just posted details of a project I made with the SmartLED Shield for Teensy 4 and a Teensy 4.1 here: https://forum.pjrc.com/threads/63080-Continuum-Slow-Motion-LED-Art-Display?p=252739#post252739
    ...
  6. Continuum - Slow Motion LED Art Display

    Continuum is a light art display that is continuously in motion, with options to move quickly, slowly, or incredibly slow. The RGB LEDs in the display are updated 240 times per second, with unique...
  7. I'm in the process of adding the Teensy 4 as a...

    I'm in the process of adding the Teensy 4 as a USB device in Fadecandy Server, and have some great results to show as of this morning. Fadecandy Server easily handles pushing pixels for a 128x64...
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    Does this mean you can drive more than 8 WS2811...

    Does this mean you can drive more than 8 WS2811 strings on the Teensy 4? Looks like you can do as many strings as there are data pins when I skimmed through the code. If so, that's a pretty...
  9. https://www.pjrc.com/teensy/td_libs_OctoWS2811.htm...

    https://www.pjrc.com/teensy/td_libs_OctoWS2811.html

    No mention of Teensy 4: "OctoWS2811 requires the DMA (Direct Memory Access) engine which is available only in Teensy LC & 3.x."

    Also, it...
  10. I agree about the plain analog microphone, but...

    I agree about the plain analog microphone, but the Audio Library doesn't support ADC analog microphone input on the Teensy 4, as far as I was able to tell when trying this last week.
  11. Good point. I wasn't sure if I2S/Audio Shield...

    Good point. I wasn't sure if I2S/Audio Shield compatibility was important enough to include in the description on Crowd Supply, but it will be documented somewhere. I'm also considering asking for...
  12. Here's a link to the benchmark sketch if anyone...

    Here's a link to the benchmark sketch if anyone is interested: https://gist.github.com/embedded-creations/9182ad31b0ea1f909491415dc6056b28
  13. Thanks Eric! The OctoWS2811 Adapter...

    Thanks Eric! The OctoWS2811 Adapter supports Teensy 4, but I think it was designed years ago. Only Paul could tell us if it was designed for the Teensy 4 :-)
  14. I made a post with details about SmartLED Shield...

    I made a post with details about SmartLED Shield for Teensy 4 here: https://forum.pjrc.com/threads/62584-SmartLED-Shield-for-Teensy-4-Drive-RGB-Matrix-with-10k-Pixels
  15. I missed your question Luis, but it seems...

    I missed your question Luis, but it seems possible. I'm using KurtE's FlexIOSPI driver to drive APA102 LEDs on the SmartLED Shield for Teensy 4, as the only SPI port on breadboard-friendly pins...
  16. SmartLED Shield for Teensy 4 - Drive RGB Matrix with 10k+ Pixels

    I'm excited to announce that the SmartLED Shield for Teensy 4 campaign has launched on Crowd Supply!


    https://www.youtube.com/watch?v=ZwzffVTHMms

    The shield makes it easy to drive high quality...
  17. No link on Teensy 4.1 with Pins...

    No link on Teensy 4.1 with Pins
    https://www.pjrc.com/store/index.html

    * DONE * : has a placeholder - T_4.1 pins not yet available
  18. https://www.pjrc.com/store/teensy3_audio.html ...

    https://www.pjrc.com/store/teensy3_audio.html

    "soolder"

    https://www.pjrc.com/store/pot_thumb_25k.html

    No photo
  19. I havenít used it myself:...

    I havenít used it myself: https://github.com/ChrisMicro/ArduinoOnPc
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    How large is a "larger" display?

    How large is a "larger" display?
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    I maintain this AnimatedGIFs "sketch", originally...

    I maintain this AnimatedGIFs "sketch", originally written for Teensy/SmartMatrix Library/SD card, but easily adaptable to other platforms: https://github.com/pixelmatix/AnimatedGIFs

    Adafruit...
  22. https://www.pjrc.com/store/octo28_adaptor.html ...

    https://www.pjrc.com/store/octo28_adaptor.html

    "Possible use of APA102" section is out of date, referring to Teensy 3.x pins only, and a broken G+ link. The FastLED G+ group was captured on...
  23. If you follow the steps in order, without reading...

    If you follow the steps in order, without reading ahead, "Install Step 1" has you download Arduino which is useless if you're using Macintosh 10.10-10.15. Maybe change the first step to "Install...
  24. No mention of Teensy 4 support in IntervalTimer...

    No mention of Teensy 4 support in IntervalTimer https://www.pjrc.com/teensy/td_timing_IntervalTimer.html

    * Has some 4.x note * : Might add link to ? :: https://github.com/luni64/TeensyTimerTool
  25. With @easone's help I designed a SmartLED Shield...

    With @easone's help I designed a SmartLED Shield for Teensy 4 and placed an order for prototypes. In the meantime, I designed an adapter so that a Teensy 4.0/4.1 can be plugged into a SmartLED...
  26. Teensyduino install instructions don’t explain...

    Teensyduino install instructions don’t explain the latest method of bundling Arduino with Teensyduino (for Mac only?) and cause confusion

    * DONE *
  27. Awesome, great work!

    Awesome, great work!
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    Take a look at the Adafruit Airlift boards and...

    Take a look at the Adafruit Airlift boards and the Arduino firmware they run: https://learn.adafruit.com/adafruit-airlift-breakout/arduino
  29. The AnimatedGIFs example in SmartMatrix can be...

    The AnimatedGIFs example in SmartMatrix can be modified easily to remove all references to SmartMatrix Library and drive another display
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    I have some samples of NS107S LEDs, untested so...

    I have some samples of NS107S LEDs, untested so far. Maybe same as yours but a different manufacturer? Maybe a clone?
  31. Saw this a bit late, but it might be possible to...

    Saw this a bit late, but it might be possible to run the panel with a USB battery pack, depending on what's displayed. These panels are not as power hungry as 5050 addressable LEDs.

    Here's some...
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    FYI you can get APA102-2020 LEDs in a rigid bar...

    FYI you can get APA102-2020 LEDs in a rigid bar (aluminum backed PCB) format from China. I got a sample of a bar like this from iPixelLED for 22 USD:
    ...
  33. The SmartMatrix Shield V4 for Teensy uses fewer...

    The SmartMatrix Shield V4 for Teensy uses fewer pins than previous versions (by using an external latch to hold the ADDX lines instead of driving via GPIO), and has untested partial compatibility...
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    SmartMatrix creator here: it's likely not...

    SmartMatrix creator here: it's likely not powerful enough. It can handle 2x 64x32 with some compromises in color depth and refresh rate. 3x is too much. The SmartLED Shield V4 supports using a...
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    Thanks for the notes on the SmartLED Shield...

    Thanks for the notes on the SmartLED Shield (formerly SmartMatrix Shield) Michael. V4 is in stock at Adafruit, but not for long. I sent them the first batch of 100 pcs, but only 24 are left after...
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    I'm behind in getting the V4 shield ready to sell...

    I'm behind in getting the V4 shield ready to sell - prepping to move internationally is taking priority - but I'm still working on it when I have time.

    There's a method in this thread to get the...
  37. The SmartMatrix Shield includes a level shifting...

    The SmartMatrix Shield includes a level shifting buffer to convert 3.3V to 5V signals, similar to the OctoWS2812 board. Some panels work with 3.3V, but some do not. You can see the SmartMatrix...
  38. The SmartMatrix Library is working with the...

    The SmartMatrix Library is working with the Teensy 3.6 with a one-line change:

    http://community.pixelmatix.com/t/teensy-3-6-onboard-sd-slot/192/6

    I haven't tried the Teensy 3.5 yet but I...
  39. Search the forum for uTasker, here's one thread....

    Search the forum for uTasker, here's one thread.

    https://forum.pjrc.com/threads/25367-USB-MSD-with-SD-card-(Teensy-3-1)?highlight=mass+storage

    I came up with a hybrid way to use Arduino and the...
  40. Quick heads up: Electric Imp doens't use the SD...

    Quick heads up: Electric Imp doens't use the SD pinout, just the form factor. It's not SDIO compatible.
  41. I'm late to this thread, but I ported Fadecandy...

    I'm late to this thread, but I ported Fadecandy firmware to run on SmartMatrix and added a new "smartmatrix" device to a fork of the Fadecandy server. Instead of dithering with a high framerate, the...
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    I believe they are both using the same module,...

    I believe they are both using the same module, just rebranding with their custom firmware:
    http://www.usish.com/english/products_wm_14.php
  43. Sorry for the long delay in getting back. The...

    Sorry for the long delay in getting back. The new loader does work with a 256k hex file. Can you update the standalone Teensy Loader to the latest version at some point?...
  44. The examples look great! I didn't realize the...

    The examples look great! I didn't realize the font .c files contain BDF (or something very similar to it), my suggestion was way out of place.
  45. For the fonts in SmartMatrix I used the bdf2c...

    For the fonts in SmartMatrix I used the bdf2c utility which I liked because the ascii art inside the generated .c file is actually editable so you could tweak a font easily inside the C file if you...
  46. Some pictures of the Photon's edges here:...

    Some pictures of the Photon's edges here:
    https://www.dropbox.com/sc/lk4p7svtohq26h9/AAAI8P0Au0LkjaseCB_3GC46a

    Looks like the narrow edges are V-scored, sorry if that doesn't show up so well in...
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    @PaulStoffregen I'm guessing it's a big effort to...

    @PaulStoffregen I'm guessing it's a big effort to switch the Teensy 3.1 to using routed instead of V-score edges, is the effort on the manufacturer's side, or your side because of panelized testing...
  48. I asked Mark the same thing and he recommended...

    I asked Mark the same thing and he recommended not combining the two separate capabilities into one program.
  49. I'm basically doing what you suggest with three...

    I'm basically doing what you suggest with three separate applications. I don't know of a better way.

    You might have already seen this:
    https://github.com/pixelmatix/uTaskerBootWithArduinoApp
    ...
  50. @PaulStoffregen I'm pretty sure you'd have to...

    @PaulStoffregen I'm pretty sure you'd have to switch to fully routing the boards with "mouse bites" probably to hold them together as a panel. That would probably add more cost. Maybe consider it...
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