While the Raspberry Pi has very good support for an I2C bus, a lot of very cool chips – including the in system programmer for just about every ATtiny and ATmega microcontroller – use an SPI bus.

Is pi awesome? Didn't I make that clear in my last two posts about Pi? (determining pi with a spring and fractional representation of pi) Well, I can't stop thinking about pi. It must be some sort of ...

Jeff's been involved in the IT industry since before the Internet and spent more than 20 years working in technical support, system administration, network administration, and consulting roles. He ...