The Pinout of a Micro SD Card Module is shown below: GND is the ground pin of the micro sd card module and it should be connected to the ground pin of the Arduino. VCC is the power supply pin of the ...

This is the SPI data out from the SD Card Module.-> MOSI Stands for Master Out Slave In. This is the input pin of the SD Card Module.-> SCK Stands for Serial Clock as the name implies it is the data ...

This paper represents a design and implementation of a Wireless Heart rate monitor system using ARDUINO Lilypad which is enabled with the feature of sending SOS messages or calls through GSM module.