sparkfun KIT-14173 Hook-Up Manual page 20

Page 20 of 33
Start by connecting up the boards. All of the required hardware is included
with the kit.
First, plug one end of one of the TRRS cables into the "Direct" jack on the
Director Board.
Next, take the other TRRS cable and plug it into the "Program" jack on the
Director Board.
Take the other end of this cable and plug it into the audio jack of the phone,
tablet, or computer that you'll be using to program the system.
Then take the other end of the first TRRS cable (the one plugged into the
"Direct" jack on the Director Board) and plug it into the "In" jack on the
Button Board.
Grab another of the TRRS cables and plug it into the "Out" jack on the
Button Board.