The Micro SD Card module has 6 pins; those are GND, VCC, MISO, MOSI, SCK, and CS. All the pins of this sensor module are digital, except VCC and Ground. -> GND is the ground pin of the micro sd card ...

//the hardware CS pin (10 on most Arduino boards, // 53 on the Mega) must be left as an output or the SD // library functions will not work. #define CH3 7 // Connect Digital Pin 7 (Pin 13 on Huzzah) ...

About a year ago, Intel announced they’d be launching a new platform stuffed into an SD card. Imagine – an entire computer packaged into an SD card, with nine whole pins for power and I/O. Cooler ...