IDE/SATA to Arduino

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Axaj
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IDE/SATA to Arduino

Post by Axaj » Wed Oct 14, 2009 12:05 pm

Is it feasible (or even possible) to connect an IDE or SATA hard drive to an Arduino?
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nitro2k01
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Re: IDE/SATA to Arduino

Post by nitro2k01 » Thu Oct 15, 2009 8:28 pm

No and no.Too slow, too little memory, too few pins. You might be able to connect a floppy drive if you really wanted, but even then I'd recommend you do something more useful.
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XCVG
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Re: IDE/SATA to Arduino

Post by XCVG » Sat Oct 17, 2009 9:44 pm

But it IS possible to connect an SD card. Trust me, when dealing with microcontrollers 2GB is a huge amount.

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nitro2k01
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Re: IDE/SATA to Arduino

Post by nitro2k01 » Sun Oct 18, 2009 2:03 am

XCVG wrote:But it IS possible to connect an SD card. Trust me, when dealing with microcontrollers 2GB is a huge amount.
Correct, but that's because the SD card standard is using a clocked data line. The microcontroller or whatever is sitting on the other side can send the data at any speed it wishes, up to a certain defined maximum speed. IDE and SATA are both using a constant speed which means that the host must communicate at a certain frequency, which the Atmega in the Arduino is far too slow for.
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