Digital clock (second precision). Stopwatch (count up). Timer (count down). Alarm with DS3231 build-in. Built in 2024 (winter sem.) as a part of electronics diploma capstone project (which turned ...

I have been pleasantly surprised how quickly Arduino’s language and IDE can be understood enough to do something useful – occasional hours found over a couple of weeks. Over the weekend, an old ...

Residential-grade commercial alarm systems are good at a few things but terrible at others, like keeping pace with telephone technology. So what to do when a switch to VOIP renders your alarm system ...