The Arduino is a great system for getting people into making with electronics and microcontrollers. I was reintroduced to a long-lost hobby when I was gifted an Arduino Duemilanove (aka 2009) by my wife’s late grandmother, and since then, I’ve had lots of fun learning and attempting to build things. I’ve even built a number of Arduino clones based on just the AVR microcontroller and a few passive components – it’s cheaper than fitting a new Arduino into a project!
Much has changed over the intervening years. LEDs used to cost about £10 each and came in one color, red. These days I can get ...
