It provides nonvolatile storage and is a simpler design than you might expect, using a pair of 1 megabit Flash chips and emulating Nintendo’s DRM with an ATtiny microcontroller. In itself it’s ...

The RP2040 is joined by a trio of Texas Instruments TXB0108 level shifters, and there’s a spot for adding a SPI flash chip. The RP2040 ... improve the state-of-the-art. [Thanks to Itay for ...