questions → umm ... what the heck does this device do?

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Umm ... what the heck does this device do?

http://www.meritline.com/unlock-card-reader-decoder-for-sd-mmc---p-71060.aspx

This thing says that it can read SD cards without a computer. But I don't understand. What's the point of reading an SD card unless you're using a computer to process the data? I have NO idea what the 9V battery is for.

Can anyone explain this to me?

by sirlouie
asked 9 months ago

3 Answers answer

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It unlocks locked SD cards.

You can use it as a 2.0 compliant USB device (Plug-n-Play) or with the 9V attachment. When you insert the card, the light on the device will start flashing, when finished it will be unlocked.

xarous
9 months ago

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I thought that SD cards were locked by the little mechanical switch on them? Is there some kind of a software lock or something?

sirlouie
9 months ago

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Good rule of thumb: If you don't know what it does, then you probably don't need one.

adadavis
9 months ago

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