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Thread: Query: USB PORT-TO-PORT FILE TRANSFER MODULE WITH BLUETOOTH ACCESSIBILITY

  1. #1

    Query: USB PORT-TO-PORT FILE TRANSFER MODULE WITH BLUETOOTH ACCESSIBILITY

    Can you please help me to make this project possible? thank you.

    This module can perform Port-to-Port File Transfer from USB Flash Disk into another USB Flash Disk or USB Non-Bluetooth Enabled Device into a Bluetooth Enabled Device. It is an active module with storage capacity up to 1GB that can be used to temporarily store your files. It is also installed with Capacitive Touch Screen User-Interface that can choose the files you need to delete, to transfer or to copy with a comparable transfer rate to a desktop/notebook PC. This module is comfortably designed to be handy and rechargeable for convenient use.

  2. #2
    Senior Member PaulStoffregen's Avatar
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    Nov 2012
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    Teensy is probably not the best platform to implement this project.

    First, you need USB host mode, because USB flash disks are USB devices. If you are unfamiliar with "host" vs "device", I would highly recommend you read chapter 4 from the USB spec. Here's a link to a copy (you can also get it at www.usb.org, but it takes some searching). Chapter 4 will help you understand the basics of USB, which should greatly help you to plan your project.

    http://www.pjrc.com/teensy/beta/usb20.pdf

    Currently all Teensy boards only work as USB devices, not a USB host. Someday Teensy3 will have USB host support (the hardware has the capability, but there is no software yet). Even then, Teensy is only 12 Mbit/sec, which probably isn't very convenient for copying large files.

    You probably want to use a "larger" platform, perhaps Beaglebone Black or Raspberry Pi?

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