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  1. Replies
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    Oh, I konw your feeling. A few years I was...

    Oh, I konw your feeling. A few years I was blocked by this shield for weeks. And it made me so angry.

    I think you can get a full size shield, it should always work well. And after that, you can...
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    I have also enabled this board(USB Host Mini) on...

    I have also enabled this board(USB Host Mini) on ESP32

    https://www.arduino.cn/forum.php?mod=viewthread&tid=94444&extra=

    And here is the project for connection HP-9800 with USBHostMini and...
  3. How to access one SD card through 2 USB port on Teeny 3.6?

    Hi,

    I'd like to make a device which can share one SD card on 2 systems.

    Eg. Teensy 3.6 is reported as MSD on both side, and I can access it as USB Disk in both side.

    Is it possible? Where...
  4. My works: Thermography made by teensy 3.2

    Hi All,

    I have made a thermography with Teensy 3.2 / MLX90640 / ILI9431. And this artical was published on a maginze "radio" (Chinese name "无线电").

    18541

    18539

    You can find the source...
  5. OK, thanks a lot. It's really knowledge of 7th...

    OK, thanks a lot. It's really knowledge of 7th grade. It's calculated as below:

    cycles = 30ms / frequency

    0.03 / (1/697) = 21
    0.03 / (1/770) = 23
    ........
    0.03 / (1/1477)=44
  6. How many cycles should I use for a specific frequency?

    Hi,

    I'm writing a DTMF decoding program now. And I use "DialTone_7segment" in the example as a reference. But I don't know how to calculate the "cycles" as the parameter of frequency() function....
  7. The way to enable SPH0645LM4H with Teensy 3.2

    I have brought SPH0645LM4H from TAOBAO with 48Yuan(~$7). And I have tried to enable it with Teensy 3.2. Below is the way to test and enable it.
    Hardware part:
    1. You should know the hole is on the...
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    Hi. please try your teensy as a USB output device...

    Hi. please try your teensy as a USB output device as Theremingenieur said. I think in this way you can confirm your board is OK or not.
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    Thanks a lot. You code works on my Teensy 3.2....

    Thanks a lot. You code works on my Teensy 3.2. And my issue is caused by AudioMemory() which I used AudioMemory(20).
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    Hi, Have you solved your issue? I'm using...

    Hi,

    Have you solved your issue? I'm using Teensy 3.2, and I found I can't make the teensy as a USB recording device.
  11. Under windows you can open and writing data to a...

    Under windows you can open and writing data to a USB HID device, but you can't open and write data to HID keyboard and mouse. It's a limitation of Windows.

    But you can use keyboard status led as a...
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    Hello All, I have successful enable Usb Host...

    Hello All, I have successful enable Usb Host Mini on Teensy 3.2. You can find the detail in

    https://www.arduino.cn/thread-81435-1-1.html
  13. Replies
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    31,241

    I have make a simple board which can connect...

    I have make a simple board which can connect Teensy 3.2 and USB Host Mini together. It works well with the USB host library. I'd like to share it later.
  14. Replies
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    Hi, How is going on? I have got the mini usb...

    Hi,

    How is going on? I have got the mini usb host from the web (in fact I'm a Chinese arduino hobbyist). And I have made a board which can use the USB host with Arduino Pro Micro(32u4, Leonrado)....
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