Tonight I succesfully verified the SPI bus works through the level translator by wiring up a MAX7219CNG LED controller with eight 7-segment LEDs. Only a few more issues to close before we can resolve version 1.1.0!
5V SPI LED driver (MAX7219CNG) on the 3.3V SPI bus of the Raspberry Pi, level translation by Idle Engineers’ Pi Shield.
The Pi Shield with breadboard mounted, holding a test circuit for the MAX7219 LED controller with eight 7-segment LED displays, and an empty Pi Shield mounted to a Raspberry Pi.