This Arduino library implements the Sanyo CCB (Computer Control Bus). CCB is a chip-to-chip communication protocol developed by Sanyo. It is similar to Philips' I2C in its purpose, but much simpler. You can see this code in action at: https://www.youtube.com/watch?v=Ctssa7KPVoM Check also https://github.com/RodLophus/bu1924 for another SanyoCCB example (using the KST MB114MA tuner module), contributed by Mike Kelvin.