Also known as a "memory card reader/writer," "flash memory reader," "memory card drive" and "flash card drive." See flash memory. See also USB drive. THIS DEFINITION IS FOR PERSONAL USE ONLY.

But [Neutrino] made his own using an ESP8266 married to a card reader. It all starts with the old trick of soldering a header to an SD card adapter. The USB port is still there, but it is only for ...