It turned out the SDIO mode on [Severin]’s card was broken, but accessing it with an Arduino and SPI mode worked. There was finally hope to get files off this damaged card.

To make the M68k bus traffic look somewhat SPI-like to an SPI slave, a CS signal had to be generated using a 74LVC1G80GW D-type flipflop, with the same flipflop also used on the address line for ...

A maker developer has squeezed an Arduino onto an SD card. He was inspired by Intel’s Edison compute module and he tried to go one better. The result is the SDuino, an ATMega328P processor-based ...

– I2C, 6 – SPI, 6 – UART, 6 – Temperature sensor – SD card Socket – AP2112 Voltage regulator 600mA – MCP73831 Li-Polymer Charge Management Controller – Size 24mm x 54mm (0.94in X 2 ...