Our Pi Shield is progressing nicely. 5V SPI device running on a 3.3V SPI bus from the Raspberry Pi? Check.
Version 1.0.0 testing complete. Bugs to be fixed, and version 1.1.0 to be released in the near future. Stay tuned!
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.