How to use Serial/Parallel Port/DAQ card of a PC to run a SPI communication?

[Coq_Rouge]

I may be able to help. But then you must start your own thread. And post a link to the new thread in this. Hijacking an old thread like you have done is dumb, and not proper forum etiquette

[bader.Engineer]

hello every body,

 I want to contol a digital potentiometer with NI myRIO 1900 to set the output DC voltage to 7 values.

I'm a biguinner with Labview and i want to try with a detailed vi to understand the process.

I runned the VI AD9835.vi but i can't get the output !

Please i need your help 

thank you

[ogk.nz]

There is no point in adding your message onto the end of a 10+ year old thread that was resurrected 5+ years ago in the exact same method you are trying now. The last post is even about starting a new thread rather then hijacking a long dead one, did you even look at the posts?

Just start a new thread.