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Type: Posts; User: lpaolini

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    OUCH! YOU'RE RIGHT!! That's the problem, for...

    OUCH! YOU'RE RIGHT!!

    That's the problem, for sure!
    At least it'll be easy to fix, because of the ground planes all around...

    Thanks again!
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    Hi Paul, I followed your suggestion and,...

    Hi Paul,

    I followed your suggestion and, unbelievably enough, I found that the problem is in the level shifter. :-O
    I can't really understand how can a 74HCT245 enter this state... I hope it's a...
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    Ok. I don't know for sure, I'm just...

    Ok.



    I don't know for sure, I'm just guessing.
    Between the serial ports and the strips there's a single 8-port level converter (74HCT245) followed by a 100ohm resistor for each port.
    What...
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    It happened again, after many hours. Right now...

    It happened again, after many hours.

    Right now all my LED strips, connected to Teensy 4.1 Serial 1, 3, 4 and 7 and frozen, but the program is running.
    I can use the serial monitor or the infrared...
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    Hi Paul, Many thanks for your reply. ...

    Hi Paul,

    Many thanks for your reply.



    I'll try to shrink it down and send it over to you the next time it happens.
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    Teensy 4.x Serial ports hanging?

    I'm using Teensy 4.x Serial ports for driving LED strips via WS2812Serial, either directly or indirectly via FastLED and they seem to freeze at random times (all LED strips at the same time). This...
  7. Update Ha! It happened with the...

    Update

    Ha! It happened with the WS2812Serial-only (no FastLED) version too.
    That restricts the search quite a lot and probably exonerates FastLED.

    Luca
  8. Help! Very weird issue with FastLED + WS2812Serial

    Hi everyone,

    I've developed a library for Teensy 4 + Audio Adapter board, based on FastLED + WS2812Serial and built a physical project on it.

    Code, photos and detailed documentation is here:...
  9. Striptease library - Sexy, audio-responsive effects on LED strips

    I've developed a library specific for Teensy 4 + Audio Board to simplify the development of complex sound reactive effects for LED strips, and to provide runtime support for rendering simultaneous...
  10. Yes, it works perfectly! Thank you very much for...

    Yes, it works perfectly! Thank you very much for pointing me in the right direction!
  11. Teensy 4.1 + WS2812Serial + FastLED + Serial8 = CRASH

    The following code, which is a stripped-down version of FastLED example Cylon, works perfectly fine on any Teensy 4.1 serial port I've tried (1, 3, 4, 6, 7), but not on serial 8 (pin 35), which seems...
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    The problem was in the library. Now the author...

    The problem was in the library.
    Now the author has fixed it (tested on pins 3 and 22), and that's great news, at least for me :)

    Cheers,
    Luca
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    Teensy 4 and IRMP

    Hi,

    Is anyone using the IRMP library on a Teensy 4?
    I've tried the SimpleReceiver example from the library on pins 2, 3 and 22 with no success.

    The very same code works well on a Arduino Nano....
  14. Hi Michael, Thank you very much for your...

    Hi Michael,

    Thank you very much for your extensive answer!

    I was thinking about Teensy 4.1, but that wouldn't fit as space is limited and orientation is constrained to make room for the usb...
  15. Teensy 4.0 + Audio Adapter + WS2818Serial

    Hi,

    I'm building an LED project with Teensy 4.0 and Audio Adapter Board rev. D, using Audio and WS2812Serial libraries.
    I would like to keep 4 serial ports free for using them with the...
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