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    Nope. Sadly, USPS international mail rates are...

    Nope. Sadly, USPS international mail rates are very high in the USA.




    We tried the same service OSH Park use, and we were for some time using those padded envelopes.

    The UPS Mail...
  2. Do those pins work if you use File > Examples >...

    Do those pins work if you use File > Examples > OctoWS2811 > BasicTest ?

    In other words, does the problem only happen when all those libraries and network communication are used together? (which...
  3. Yes. 200mA rating is a little on the low...

    Yes.



    200mA rating is a little on the low side, but should work.
  4. Yup, that's definitely a counterfeit. If you...

    Yup, that's definitely a counterfeit.

    If you bought it within the last 90 days, odds are good you'll get your money back with a complaint.
  5. Is it a genuine Teensy++ 2.0, or maybe a...

    Is it a genuine Teensy++ 2.0, or maybe a counterfeit? Can you show us a photo of the board?
  6. Apple's new M1 (ARM based) Macintosh

    Does anyone have access to one of these new Apple Macintosh machines?

    Curious to hear whether Arduino + Teensyduino and Teensy Loader are working under Rosetta 2 emulation?
  7. I see you're using IntervalTimer to run a *lot*...

    I see you're using IntervalTimer to run a *lot* of stuff which generally isn't considered safe to run from an interrupt. Looks like you're also completely disabling interrupts, but while interrupts...
  8. I would imagine using the biquad filters to...

    I would imagine using the biquad filters to emulate the behavior of the "crossover" filters feeding the midrange and tweeters within the speakers. Then estimate the total signal power of each filter...
  9. Those are the NVCC_PLL capacitors. 22614 ...

    Those are the NVCC_PLL capacitors.

    22614




    Yes. Assuming this is the only damage, I'd say odds are pretty good if you manage to get 2 similar capacitors soldered. They probably don't need...
  10. Oh, these probably need to updated for Teensy...

    Oh, these probably need to updated for Teensy 4.....
  11. Wow, I did not know Apple changed the DMG...

    Wow, I did not know Apple changed the DMG filesystem!

    I'm still building the Teensyduino installer on a 2011 Macbook Pro running 10.7.5 (Lion). The rest is built on a "trashcan" Mac Pro running...
  12. If this will be used live, usually the biggest...

    If this will be used live, usually the biggest problem is feedback from the speakers back into the microphone. Audio feedback is a tough problem common to all live performances. Usually the key to...
  13. I'm afraid a burning hot chip usually means...

    I'm afraid a burning hot chip usually means something has gone terribly wrong.




    Please understand we can't see your screen over the internet, unless you take a screenshot and put that image...
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    Today, no, but this probably does need to be...

    Today, no, but this probably does need to be added soon.

    Sadly, I haven't been able to keep up with the forum and MTP development over the last few days. Again PJRC is overwhelmed by several...
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    Those parts not being placed on Teensy 3.5 is...

    Those parts not being placed on Teensy 3.5 is also documented in a footnote on the schematic.

    I know this may be stating the overly obvious, but usually prototyping all the stuff you're actually...
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    The TPD3S014 chip and 100uF capacitor are only...

    The TPD3S014 chip and 100uF capacitor are only used on Teensy 3.6 (which shares the same PCB as Teensy 3.5). The MK64FX512 chip used on Teensy 3.5 does not have a 2nd USB port, so those parts are...
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    I read the Winbond W25Q512JV datasheet a few days...

    I read the Winbond W25Q512JV datasheet a few days ago. My first impression was the structure looked nearly identical to W25Q128JV, but the address is 32 bits rather than 24 bits. It has legacy 24...
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    I found this github issue about LittleFS...

    I found this github issue about LittleFS performance. Sounds similar to the 10X slower speed you're seeing in these tests.

    https://github.com/littlefs-project/littlefs/issues/75

    The first...
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    I don't know which "odd 128" you mean. I'm happy...

    I don't know which "odd 128" you mean. I'm happy to explain the rationale behind anything I've written, but if you want a useful answer you do need to be more specific with the question. In so many...
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    LittleFS uses 3 sizes, which are documented this...

    LittleFS uses 3 sizes, which are documented this way in lfs.h:



    // Minimum size of a block read. All read operations will be a
    // multiple of this value.
    lfs_size_t read_size;

    ...
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    This code worries me. The main problem is it...

    This code worries me.

    The main problem is it assumes an entire flash block is blank and does not require erase if only the first 16 bytes are 0xFF. The huge problem is it never examines the other...
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    It should be possible to create a library which...

    It should be possible to create a library which provides a "filesystem" to do this. The code would look similar to SD.h, except instead of calling the SdFat functions to actually access the SD card,...
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    This is the thread:...

    This is the thread:
    https://forum.pjrc.com/threads/57842-Future-Teensy-features-amp-pinout
  24. Glad you got it working! :)

    Glad you got it working! :)
  25. Difficult to see from the angle of the camera,...

    Difficult to see from the angle of the camera, but looks like the 3 wires might be on pins 9,10,11 rather than 10,11,12.
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    Yes, USE_WS2812SERIAL is the best solution,...

    Yes, USE_WS2812SERIAL is the best solution, though it does limit you to specific pins and use a little more memory.

    The other thing to try is this, before you include FastLED.h

    #define...
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    Probably not another fixed 64K, but.... ...

    Probably not another fixed 64K, but....




    Yes, this, more or less.

    I'm still not 100% sure of all the details, but my general plan is to make future bootloader versions scan the flash for...
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    Some of this increase is probably due to the...

    Some of this increase is probably due to the change to SdFat. It's much faster and supports cards larger than 32GB and long filenames, but all that SD card goodness does come with a code size cost....
  29. Maybe look for one of the many little breakout...

    Maybe look for one of the many little breakout boards using MAX98357. Power might be a little light or might work out pretty well, depending on how "quiet" the room is and how "room filling" you...
  30. If you read other threads, you'll see we've also...

    If you read other threads, you'll see we've also talked at times about NAND flash chips. Today none of those are well supported. They require software to manage and remap bad blocks. NAND also has...
  31. This flash chip might be an option. It's 64...

    This flash chip might be an option. It's 64 Mbyte and only $5. I already have some on order with plans to support them in LittleFS.
    ...
  32. I got these from Digikey some time ago. They've...

    I got these from Digikey some time ago. They've been sitting unused (untested) on my cluttered desk.

    22578

    The tall header is Samtech MTMM-103-10-T-D-355. The socket is Digikey...
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    Maybe try experimenting with the...

    Maybe try experimenting with the config.block_cycles setting?

    https://github.com/PaulStoffregen/LittleFS/blob/168e03fb79a5eb87f508b427b4eea07b16f23fd8/src/LittleFS.cpp#L460

    Here's the only...
  34. How do you want it to stop? In you question,...

    How do you want it to stop?

    In you question, you said "I want that feedback to continue when note off is send". You did not say you want the note to end, but to continue.




    The envelope...
  35. Maybe just delete some or all of this? ...

    Maybe just delete some or all of this?



    if (button24.risingEdge()) {

    envelope1.noteOff();
    envelope2.noteOff();
    envelope3.noteOff();
    envelope4.noteOff();
  36. Logging data to the program memory requires...

    Logging data to the program memory requires completely disabling interrupts while the chip is busy, so it is not a good solution if you need to keep continuously collecting incoming data while the...
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    LittleFS uses a superblock to hold metadata about...

    LittleFS uses a superblock to hold metadata about the entire filesystem. I believe just erasing the superblock is enough, though I will admit I have not carefully studied the details of how LittleFS...
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    A tuneable clock is an interesting idea. With...

    A tuneable clock is an interesting idea. With I2S slave mode it might work, but you would also need a divide-by-64 circuit, since both BCLK and LRCLK need to be provided.

    Perhaps compensating on...
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    Maybe run one of the boards in I2S slave mode? ...

    Maybe run one of the boards in I2S slave mode?

    That is, if you're not also using the other non-I2S inputs or outputs that can't work together with slave mode controlling the sample rate.
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    We have strlcpy() on Teensy, which is the same as...

    We have strlcpy() on Teensy, which is the same as strncpy() but also takes care to null terminate in some cases where strncpy() doesn't.
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    With SdFat, you should be able to use ~250...

    With SdFat, you should be able to use ~250 characters.

    Currently LittleFS is configured for 39 characters max filename.
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    A fuse won't give you the protection you want. ...

    A fuse won't give you the protection you want. Fuses protect against too much current. They do nothing about about too much voltage, or at least not until the voltage go so high as to cause a...
  43. Yes, NXP is putting ASRC hardware into the next...

    Yes, NXP is putting ASRC hardware into the next generation of IMXRT chips.

    Here's the block diagram from NXP's website. You can see ASRC in the "Connectivity" part at the top of the left column....
  44. Whether CircuitPython is able to use the built in...

    Whether CircuitPython is able to use the built in SD socket on Teensy 4.1 is unknown to me. That socket uses the faster 6-signals SDIO protocol, not 4-signals SPI protocol. There's a good chance...
  45. And if you leave interrupts disabled, please...

    And if you leave interrupts disabled, please understand Arduino can't cause Teensy to go into programming mode, because you've disabled the USB interrupt. You will need to press the button on your...
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    I'm packaging up 1.54-beta5 now. Should have it...

    I'm packaging up 1.54-beta5 now. Should have it ready in an hour or so...
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    I pulled in the latest FNET and NativeEthernet in...

    I pulled in the latest FNET and NativeEthernet in prep for 1.54-beta5.

    The WebClient example seems to no longer work. I get this:



    Initialize Ethernet with DHCP:
    DHCP assigned IP...
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    I can't really help with Python code. But I did...

    I can't really help with Python code. But I did run it here on Ubuntu 18.04. As you can see in this screen capture after 1 minute, it runs perfectly fine when I test on Ubuntu 18.04, x86-64 bit.
    ...
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    Apple notarization, which is compulsory starting...

    Apple notarization, which is compulsory starting with Catalina, makes this sort of experimentation or editing anything inside the application bundle pretty dicey on MacOS. I recall the Arduino...
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    Maybe it's time to package up 1.54-beta5? I had...

    Maybe it's time to package up 1.54-beta5? I had hoped to play with MSC and bring it into USBHost_t36 and with FS/File interface, but maybe we need this now so everyone can easily sync up with the...
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