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I have a PCI-6221and want to control a digital potentiometer with 3-wire SPI serial interface.

I have a PCI-6221and want to control a digital potentiometer with 3-wire SPI serial interface. Can somebody help me? Thank you so much!
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I believe this is a Duplicate post. Please reference the link for an answer to your question.
Neal M.
Applications Engineering       National Instruments        www.ni.com/support
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