![]() ![]() Pin12-15 are pinouts for SPI communication. Therefore, in the SPI, the NSS pin will perform that function. In SPI communication a chip select/enable pin will help to activate the slave. So, this pin will receive the data from Arduino. ![]() ![]() It means through MISO pin data will transfer from Module to the Microcontrollers/Arduino In the case of SX1278, the master will be the controller and slave will be the module. SCK pin is for the clock pulse during the SPI communication. The pin DIO0 is customizable as an interrupt pin. To perform the general, I/O function through module the DIO pins will help. Pin 4 is to reset the module through an external signal. To power up the device pin 3 will help for power input. Ground pin of common ground with power supply and controllers. ![]()
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