Hi there... im going nuts... cant really made shift register to work with teensy2.0++ with mmjoy2... i connect miso pin to serial output pin cs pin to shift/load pin SCK pin to CLK pin and do connect ground and 5v pins to shift register and put a ground vire to CE pin put no joy... i use sparkfun breakout board for shift register and i really need help since this is my first electronics project..
https://www.sparkfun.com/products/11733

(random buttons turns red in mmjoy even if i dont move a switch or the one switch i connected as button 1 is flickering red and white at screen cant solve it)
Thanks