Tag Archives: comms

AVR basics: SPI on the ATMEGA – Part 2

In Part 1 we got the SPI bus set up on an AVR ATMEGA328P microcontroller. Now let’s start using it. Settings pins Before we get going, we need to set up the pins for the SPI bus on the AVR (which we’re using in master mode). I’m using the ATMEGA328P here, so I’m going to define some macros to make… Read more »

The Hacker’s Handbook and the script kiddie

On its publication in 1985, The Hacker’s Handbook was a sensation. It seemed to legitimise an activity that many of us had been engaged in for a while – the (mostly) innocent exploration of online computer systems. We now live in an age of connectedness. Our phones, our TVs and even our fridges are just nodes on a giant network. Email… Read more »

Dreambox: Raspberry Pi and Teensy, living in perfect harmony

Okay, so I couldn’t get the headline to scan to fit that godawful song, but here’s the thing: I mentioned before that my Dreambox project – a way of playing music to lull me to sleep – would be driven by a Raspberry Pi but would also involve a Teensy. And you probably want to know why. The answer is:… Read more »