This is an old revision of the document!
To write PLEN2's firmware requires Arduino IDE ver.1.6.0 or later. Please download and install it before to do continued steps.
Download "PLEN2" repository.
Open `firmware.ino` with Arduino IDE version 1.6.0 or later.
Choose target board as “Arduino/Genuino Micro”.
Take proper serial port to communicate your base-board. (Port number is different in each environments.)
Click upload button.