LED was equipped in the chassis. This patch turns it on. SlowLED changes the brightness gradually. wiringpi is used for it to leverage the hardware PWA equipped by Raspberry Pi.
Circuit diagram, firmware source code and Romaji table for physical input devices for Google Japanese Input announced on April 1st.
Mozc-Morse originates from Google Japanese Input Morse version announced on April 1st 2012. http://www.google.co.jp/ime/-.-.html
Mozc-Flap originates from Google Japanese Input Patapata version announced on April 1st 2013. http://www.google.co.jp/ime/patapata/
These devices showed in the videos are actually connected to a PC via USB. This project hosts the source code and technical documents of those devices.
Background stories (in Japanese):
- Morse version - http://googledevjp.blogspot.jp/2012/06/google.html
- Flip version - http://googledevjp.blogspot.jp/2013/10/google.html
For Mozc-morse, the romaji table decodes dits-dahs to hiragana. By using resource in this project, you can reproduce a physical morse key and try typing text with Mozc and Google Japanese Input.

