[RedruM69] recently ran into a system with a dead Real Time Clock (RTC) module. These modules were used on computers and all sorts of other equipment, storing time, date, and 100 or so bytes of ...

A DIY project from a YouTuber presents the latest version of his 7 Segment Clock, v3.2C. This tabletop clock is built using ...

He’s made a real-time-clock module controlled by a rubidium frequency standard, and since it also includes a GPS clock he can track local time dilation effects by comparing the two. Surplus ...