Example project use xadc with E-element ego1 board, read the resistance of the potentiometer.
In actual fact, this ego1 board is no humain-friendly.
1. Where can i find ego1 board file?
First, if you don't know what is board file, you can read my FPGA Tutorial Repo.
Then you can find ego1 board directory and the guide.
2. Why we use vaux1 channel?
You can find reason on this page.
Detail of This board: https://e-elements.readthedocs.io/zh/master/EGo1.html
PG091: XADC Product Guide: https://www.xilinx.com/support/documentation/ip_documentation/xadc_wiz/v3_3/pg091-xadc-wiz.pdf