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Have a look to these 8-bit I2C or SPI digital potentiometers by Dallas Semiconductors:<br />
<a href="http://www.maxim-ic.com/products/i2c/256_tap.cfm" rel="ugc">http://www.maxim-ic.com/products/i2c/256_tap.cfm</a><br />
<br />

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Have a look to these 8-bit I2C or SPI digital potentiometers by Dallas Semiconductors:
http://www.maxim-ic.com/products/i2c/256_tap.cfm [http://www.maxim-ic.com/products/i2c/256_tap.cfm]



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Thanks Clasiss, this is what I am looking for, but one more question, I don't see serial interface, does the SPI is the serial one ? &nbsp;<br />
<br />
&nbsp; &nbsp;thanks
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Thanks Clasiss, this is what I am looking for, but one more question, I don't see serial interface, does the SPI is the serial one ?  

   thanks

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both i2c and SPI are microcontroller's serial interfaces.
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both i2c and SPI are microcontroller's serial interfaces.

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BTW, my answer is similar to Gladiss's one but in another brand....
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BTW, my answer is similar to Gladiss's one but in another brand....

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Hai Zahiy<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;SPI is Serial Peripheral Interface, which has a clock line and two data lines SDO(Serial Data Out) and SDI(Serial Data In)<br />
<br />
Please refer to section 17 of this datasheet<br />
<a href="http://home.ripway.com/2005-4/285452/picreferencemanual.pdf" rel="ugc">http://home.ripway.com/2005-4/285452/picreferencemanual.pdf</a><br />
<br />
if required see this<br />
<a href="http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1490&filterID=395" rel="ugc">http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1490&filterID=395</a><br />
<br />
Thanks 
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Hai Zahiy
             SPI is Serial Peripheral Interface, which has a clock line and two data lines SDO(Serial Data Out) and SDI(Serial Data In)

Please refer to section 17 of this datasheet
http://home.ripway.com/2005-4/285452/picreferencemanual.pdf [http://home.ripway.com/2005-4/285452/picreferencemanual.pdf]

if required see this
http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1490&filterID=395 [http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1490&filterID=395]

Thanks

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<div class="content wysiwyg-content">
Hi, <br />
<br />
&nbsp; &nbsp;I am looking for a digital resistor, which I can give it 4 or 8 bit and it gives me resistance. &nbsp;are there digital resistors work by serial data ?<br />
<br />
&nbsp; &nbsp;thanks,<br />

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Hi, 

   I am looking for a digital resistor, which I can give it 4 or 8 bit and it gives me resistance.  are there digital resistors work by serial data ?

   thanks,


Digital resistor wish microchip 16F84

Components are those devices that are internal to a computer -- the PC boards, the central processor (CPU), the memory (RAM), disk and video controllers and so on.