Per lo SPI puoi veder qua --> Understanding SPI on the Raspberry Pi | Gordons Projects
Per l'I2C --> http://www.skpang.co.uk/blog/archives/575
Per lo SPI puoi veder qua --> Understanding SPI on the Raspberry Pi | Gordons Projects
Per l'I2C --> http://www.skpang.co.uk/blog/archives/575