Datasheet

Configuration

Check the Configuration! page earlier to set up the sketch for Software/Hardware UART or Software/Hardware SPI.

The default is hardware SPI

If using software or hardware Serial UART:

This tutorial does not need to use the MODE pin, make sure you have the mode switch in CMD mode if you do

not configure & connect a MODE pin

Don't forget to also connect the CTS pin on the Bluefruit to ground if you are not using it! (The Flora has this

already done)

Running the Sketch

Once you upload the sketch to your board (via the arrow-shaped upload icon), and the upload process has finished,

open up the Serial Monitor via Tools > Serial Monitor, and make sure that the baud rate in the lower right-hand corner

is set to 115200: