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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...

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...

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...

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...

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

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....

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...

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.

Thanks a lot. You code works on my Teensy 3.2. And my issue is caused by AudioMemory() which I used AudioMemory(20).

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.

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...

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

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.

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)....