Could you have accidentally connected it improperly previously?
SD cards are very easy to trash if you abuse them, and often fail acting as if Vcc and Gnd are shorted.
@DrAzzy 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.
Could you have accidentally connected it improperly previously?
SD cards are very easy to trash if you abuse them, and often fail acting as if Vcc and Gnd are shorted.