The DIP-Switch single PMOD is ideal for simple exercises as well as an 8 bit input for your FPGA project.
This module can be used with any FPGA development board that offers two PMOD connectors. It is compatible with the Digilent PMOD specification.
You can find the schematic and design files of this PMOD in the iCEBreaker PMOD repository.
If you have additional questions about this PMOD join the iCEBreaker Gitter channel and ask away! :)