Category Archives: Electronics
Dangerous failures
Sometimes, equipment that is supposed to be designed with safety in mind turns out to be unsafe. Here’s an example I came across a few years ago: a mains-powered smoke alarm installed in a top-floor flat:
Five things I never use in Arduino projects
I’ve been using Arduino for a few months now, and designing electronics and embedded systems for a lot longer. In reading the Arduino forum, I’ve seen a few areas that Arduino users often find difficulty with. It seems to me … Continue reading
Prototyping small embedded projects with Arduino
Recently I needed to design and build a small battery-operated device with 4 outputs sequenced at a variable rate. After playing with a 555 timer IC and some CMOS flip-flops, I realised that the modern way would be to use … Continue reading
