Unless I'm mistaking, SPI protocol is straight forward in the sense that if I send say, the byte value 7 to the SPI port, it will literally send "00000111" in the port, right? Nothing more? Does it need to mark a down or up each bits, or will I have to make sequences like "01010101" to make full up and down cycles?
So, anyways in theory, if I want to control an X9c103S digital potentiometer, this guy,
It seam that no one has tried this angle yet, might has well try it. I just can't wait for the Post man to finally show up