Working with
HT1632 LED matrix driver
Carambola1
Serial 2.2" LCD display
Control
LED from web page
Connecting 8MB SPI
flash memory
M25P64
Connecting I2C
I/O expander
PCF8575
Simple
robot demonstration
Pachube and TFA dostmann Nexus
weather station
Controll
plasma TV 42PC1RR
Using
I2C in python
Also there are
recipes
suitable for generic OpenWrt use.