Just to add - I think the SD breakout will work, but you don't actually need one with level shifters (as the Espruino IO is already 3.3v volts)
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Just to add - I think the SD breakout will work, but you don't actually need one with level shifters (as the Espruino IO is already 3.3v volts)