This step is for all Arduino and compatibles. Please note that we use the hardware SPI port (the 2x3 pins) for talking to the Bluefruit LE module. If that port is not available you'll have to jumper the SCK/MOSI/MISO pins to other pins and use 'software SPI'! | This step is for all Arduino and compatibles. Please note that we use the hardware SPI port (the 2x3 pins) for talking to the Bluefruit LE module. If that port is not available you'll have to jumper the SCK/MOSI/MISO pins to other pins and use 'software SPI'! |