USB host on DE10 Lite with max3421e arduino shield

Arduino USB host shield (sparkfun) on top of DE10 Lite (Terasic). Beware shield has to be modified : see below.

Example source code with Nios II processor available at :  https://sourceforge.net/projects/darfpga/files/Software%20VHDL/usb_host

Side view (usb dongle plugged in)

Top view

  

Vin from DE10 board is 5V. LD1117 voltage regulator has to be bypassed. Blue rectangle shows this bypass : additional white wire.

ON/OFF switch has to be kept on OFF position. Green circle shows switch position.

Modified shield