Bodmer has good wiring diagrams. Follow his advice.
Bodmer has LOTs of examples. Try them all.
If you have a problem, you can quote which example and what problem. Bodmer has many followers. If they can replicate your problem, they can possibly advise. And Bodmer gets the feedback.
Ah-ha. I thought that you had ESP8266 or ESP32.
Bodmer has libraries for several AVR targets e.g. Mega2560 and Due. I am not sure if his Shift-Register-SPI code is for Uno. But at least he has no worries about SPI speed.
David.