Update: In response to some questions in the comments, [Paul] added a second video comparing the Teensy 3.1 to the Arduino Due. The Due running at a higher SPI clock speed, however the Teensy with ...

It intercepts the SPI calls from the Arduino to an SRAM chip, and translates the address information to find the appropriate data on a collection of 23K256 devices.

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI ...