You may have spotted a trend in these articles – we like ARM Cortex M0s! A year on from our first post on the subject, with some high-volume designs under our belt, we’re still big fans. Of course there are the obvious things like amazing value for money (a proper 32 bit processor for 50 pence), but there are other things we like as well. Many of our designs require that the processor spends time in low-power sleep modes, for example...