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 Post subject: IDE/SATA to Arduino
PostPosted: Wed Oct 14, 2009 12:05 pm 
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Is it feasible (or even possible) to connect an IDE or SATA hard drive to an Arduino?

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 Post subject: Re: IDE/SATA to Arduino
PostPosted: Thu Oct 15, 2009 8:28 pm 
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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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Last edited by nitro2k01 tomorrow, 1:48 pm; edited 1 time in total


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 Post subject: Re: IDE/SATA to Arduino
PostPosted: Sat Oct 17, 2009 9:44 pm 
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But it IS possible to connect an SD card. Trust me, when dealing with microcontrollers 2GB is a huge amount.

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 Post subject: Re: IDE/SATA to Arduino
PostPosted: Sun Oct 18, 2009 2:03 am 
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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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Last edited by nitro2k01 tomorrow, 1:48 pm; edited 1 time in total


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