You’ve doubtless seen those ubiquitous clock modules, especially when setting clocks for daylight savings time. You know the ones: a single AA battery, a wheel to set the time, and two or three hands ...

Clocks that read time via received radio signals have several advantages over their Internet-connected, NTP-synchronised brethren. The radio signal is ubiquitous and available over a fairly large ...

If you live in a place where sunrise and sunset varies a lot throughout the year you know that setting up an automatic lighting system in your home (or garden) is a pain. DIYer Paulo Renato's solution ...