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  1. Hi, Does the slave send any data back to...

    Hi,

    Does the slave send any data back to master? I have a project in which I have a 3.3V ESP8266 as master sending time and date info to a homebrew 5V Uno that then controls a display. It has...
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    Hi, Just in case it's not obvious, you don't...

    Hi,

    Just in case it's not obvious, you don't need to do anything with the returned value if you don't want to. You can simply ignore it.

    best,
    Michael
  3. Totally understand. That's why I said tangent to...

    Totally understand. That's why I said tangent to topic. Your project is up and running to your satisfaction, and "if it ain't broke..." there are other projects waiting.
    I posted the link because it...
  4. Hi, A tangent to topic, but this website has...

    Hi,
    A tangent to topic, but this website has some interesting material on Neopixels. He builds an alternate library using SPI, taking you thoroughly through the thinking. On casual inspection, it...
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    My Mint distro is 64-bit also. --Michael W

    My Mint distro is 64-bit also.
    --Michael W
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    Running Linux Mint 18.1 1. Installer ran 2....

    Running Linux Mint 18.1
    1. Installer ran
    2. T-Loader appeared when I clicked verify
    3. Upload without issue to Teensy 3.2

    The sketch that I posted about in the beta #2 thread continues to run...
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    I see, thanks. BTW, both !Serial and...

    I see, thanks.
    BTW, both !Serial and !Serial.available() appear to produce the same results. I'll use your suggestion. Less typing, if no other reason.

    best,
    Michael
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    An observation, not really a problem. I notice...

    An observation, not really a problem.
    I notice that with v1.40 I now have to go back to adding "while (!Serial.available() && millis() < 1500);" to setup. I didn't have to do that with v1.36...
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    You guys are great. As I hoped, a simple usage...

    You guys are great.
    As I hoped, a simple usage issue. "cascade.ino" revised as shown below and works fine now. Everything else is unchanged except for removing the DATA and CLOCK pinModes from...
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    Problem with SPI.end()

    HI,

    The attached sketch files run light patterns on strings of leds (called "footlights" because they're 12 inches long) driven by shift registers. Most of these routines use SPI, but there is one...
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    I'm running on Linux Mint. I seem to recall that...

    I'm running on Linux Mint. I seem to recall that this used to happen on Win too, but I can't swear to it. When I get home (at work now) I'll check my Macbook.
    Anyhow, click the upload button (or...
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    Hi Paul, One detail about the Teensy Loader...

    Hi Paul,

    One detail about the Teensy Loader that's a very minor nuisance (maybe only to me) is the way it steals focus when I click the upload button on the Arduino IDE. I usually forget to...
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    Hi Paul, Good addition. Re the 3rd party...

    Hi Paul,

    Good addition.
    Re the 3rd party listings, suggest adding a "PJRC assumes no responsibility..." disclaimer to the "not made or sold by PJRC" line. Basic CYA.

    Best,
    Michael
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    "Links to erotic-toys (dot) info are spam in a...

    "Links to erotic-toys (dot) info are spam in a microcontroller forum.."

    Maybe they're Teensy-controlled?

    --Michael
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    Although these look suspicious, it is possible to...

    Although these look suspicious, it is possible to legitimately have an account and not post. I don't post much myself, but having an account helps me keep track of what I've read, etc. So I'd be wary...
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    New to Linux, trouble uploading

    Hi,

    My Win 7 boot disk croaked recently, and I took it as a sign that it's time to migrate. Here are the particulars:

    Linux Mint 18.1 64 bit
    Arduino 1.8.2
    Teensyduino 1.36
    Teensy 3.6

    No...
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    Hi, FWIW, re the Arduino forum, I've...

    Hi,

    FWIW, re the Arduino forum, I've frequently thought that the word "stupid" should be banned.
    My observation of this forum is that questions and answers tend to be on a more sophisticated...
  18. Yes, what defragster said about alternate lines....

    Yes, what defragster said about alternate lines. The "non-alternates" are the default pins that are the same for Arduino Uno etc.
    As for my debounce delay--that's not an ideal way to do it. It's...
  19. For me, as you can see in my code, initializing...

    For me, as you can see in my code, initializing both tft and touch before the SD worked fine. (I did set the alternate SPI data and clock lines before the SD.begin.) Note that my posted example uses...
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    Hi, Have you done any experimenting with a...

    Hi,

    Have you done any experimenting with a small sample of regular WS2811-driven leds? My small experience with Neopixels and Dotstars is that they're pretty darn bright.

    --Michael
  21. I got the touch working on a t3.6 with audio...

    I got the touch working on a t3.6 with audio board. I found that the order of calling begin mattered. If I called ts.begin() before tft.begin() (for reasons I don't understand) no audio would be...
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    Looking forward to following your progress. ...

    Looking forward to following your progress.

    Single band is what I'll need for the experiments I have in mind, at least at first--simply a box that sits between amplifier and source (computer's...
  23. Hi, What you describe stretches my grasp of...

    Hi,

    What you describe stretches my grasp of the technology, but I suspect these pages will be of use to you:...
  24. Click "Go Advanced" (next to "Post Quick Reply")...

    Click "Go Advanced" (next to "Post Quick Reply") to find code tags.
    --Michael
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    Interesting. I hadn't heard about this progress...

    Interesting. I hadn't heard about this progress with tonal. In my own case, the tonal component occurs rarely, is of brief duration when it does occur, and so doesn't bother me. (And I've grown...
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    I have hearing damage similar to Wayne's...

    I have hearing damage similar to Wayne's description. Seems to me that a key part of this project is going to be audiometrics--determining exactly what frequencies need boosting by how much.

    For...
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    On Win 7, Arduino 1.8.1, and T3.6, using the...

    On Win 7, Arduino 1.8.1, and T3.6, using the Audio Tute examples, I had no problem accessing the SD card on both the audio board SD and the T3.6 onboard SD. Also was able to use both display and...
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    Hi, Just skimmed the thread, so apologies if I...

    Hi,

    Just skimmed the thread, so apologies if I missed this, but have you tried changing
    #define USE_SDIO 0
    to
    #define USE_SDIO 1
    ?

    --Michael
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    Sorry--typo (copy & paste error). Here:...

    Sorry--typo (copy & paste error). Here:
    https://github.com/PaulStoffregen/ILI9341_t3

    best,
    Michael
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    Note that if you wind up using the teensy-adapted...

    Note that if you wind up using the teensy-adapted ILI9341_t3v library, the Adafruit GFX lib probably won't be needed. I haven't done a point-by-point comparison, but I have seen that most if not all...
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    Hi, That 4D Systems display is a step up in...

    Hi,

    That 4D Systems display is a step up in size and resolution--but sure is pricey compared to $15:
    http://www.pjrc.com/store/display_ili9341_touch.html

    It will fill your specifications. And...
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    Of course, you can always use the rollover to set...

    Of course, you can always use the rollover to set a counter and go as long as you want. Won't need to with your specs, though.

    best,
    Michael
  33. FYI, I have used that same display powered by the...

    FYI, I have used that same display powered by the 3.3v out from a T3.2 and a T3.6. Both TFT and touchscreen worked fine.

    --Michael
  34. This from Paul in an earlier discussion: ...

    This from Paul in an earlier discussion:

    https://forum.pjrc.com/threads/17532-Tutorial-on-digital-I-O-ATMega-PIN-PORT-DDR-D-B-registers-vs-ARM-GPIO_PDIR-_PDOR?p=21228&viewfull=1#post21228...
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    Yes, that's what I meant. --Michael

    Yes, that's what I meant.
    --Michael
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    Maybe I don't understand. 10K across the leads of...

    Maybe I don't understand. 10K across the leads of the port (to ground from the output to the led?) wouldn't do anything about the short issue.
    --Michael
  37. OK, thanks and good to know. --Michael

    OK, thanks and good to know.
    --Michael
  38. Hi, My understanding is the digitalWriteFast...

    Hi,

    My understanding is the digitalWriteFast works when the pin numbers is it using are known at compile time. If you're writing to pins represented by a variable, use digitalWrite().

    best,...
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    A thought--you could put the resistor before the...

    A thought--you could put the resistor before the jack instead of after the plug. That way, the short will go through the resistor.

    best,
    Michael
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    Yeah, I paid a total of about $15 for my first...

    Yeah, I paid a total of about $15 for my first one. Later, I picked up a couple more reasonably by adding them to orders for other stuff.

    best,
    Michael
  41. Hi, You define/prototype your PoiSonic()...

    Hi,

    You define/prototype your PoiSonic() function within the if ( hallState == LOW ) statement. Suggest moving the prototype to global space.

    best,
    Michael

    edit: Actually, as MortonKopf...
  42. Hi, I've used the quad 74HCT125 level shifter...

    Hi,

    I've used the quad 74HCT125 level shifter with T3.2 to drive a chain of 30 '595 shift registers (with 240 leds on the outputs) using SPI. Worked fine.
    https://www.adafruit.com/products/1787
    ...
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    My understanding is that the .org version is far...

    My understanding is that the .org version is far behind the .cc version. Opinions seem to be landing on it going away in favor of cc's. We'll see.
    --Michael
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    Hi, You appear to have misunderstood the...

    Hi,

    You appear to have misunderstood the purpose of the program. It produces an audio signal right out of the Teensy pin. You can send that output from the A14 pin directly to a headphone or...
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