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Member's Forum I need help on designing a handheld storage based on micro SD Card + QSPI interface + Wi-Fi data transfer
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  • Replies 23 replies
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  • qspi
  • SD card
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I need help on designing a handheld storage based on micro SD Card + QSPI interface + Wi-Fi data transfer

HKPhysicist
HKPhysicist 4 days ago

Hello Fellow Engineers and Experts,

I want to design a device to replace the super expensive iCloud or Gcloud digital monopoly.  So you can download your beloved digital contents from your phone any time through Wi-Fi.  Then, stack them up one by one infinitely under your desk.

It is my basic components:

  1. micro SD Card
  2. SQPI interface and controller
  3. a MCU with SQPI peripheral, with SoC Wi-Fi
  4. a built-in Li+ battery
  5. Li+ charger chip
  6. any more
  7. There are already many USB storages for this purpose.  So this method will not be my goal.

Please share your opinions.  Perhaps, we can work together.  Wink

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  • cstanton
    0 cstanton 2 days ago

    Hey HKPhysicist ,

    What exactly are you envisaging?

    It's not entirely clear, is it that you're wanting to say, set down your phone after a busy day, and it auto synchronises to a device that's sat under your desk with shared storage?

    I'm partly reminded of the old Eye-fi cards.

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  • cstanton
    0 cstanton 2 days ago

    Hey HKPhysicist ,

    What exactly are you envisaging?

    It's not entirely clear, is it that you're wanting to say, set down your phone after a busy day, and it auto synchronises to a device that's sat under your desk with shared storage?

    I'm partly reminded of the old Eye-fi cards.

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  • beacon_dave
    0 beacon_dave 1 day ago in reply to cstanton
    cstanton said:
    I'm partly reminded of the old Eye-fi cards.

    Reminds me more of the Kingston MobileLite Wireless Wi-Fi enabled SD card reader.

    https://www.kingston.com/datasheets/MLW221_en.pdf

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  • HKPhysicist
    0 HKPhysicist 1 day ago in reply to cstanton

    Very nice.  Mine should work as its reversal.

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