i was trying to use the pixy with my rasberry pi 3 following those instractions https://docs.pixycam.com/wiki/doku.php?id=wiki:v1:hooking_up_pixy_to_a_raspberry_pi
but when i am trying to " sudo ./hello_pixy
" it says:
libpixyusb Version: 0.4
pixy_init(): USB Error: Target not found
but it connected through USB. what could be the problem?