We spend a lot of time at T3 drooling over the beautiful complexity of automatic mechanical watches. But that doesn’t mean the humble quartz should be forgotten about. Quartz watches are far cheaper ...

If you’re looking for a 1-second time reference, you’d probably just grab a GPS module off the shelf and use the 1PPS output. As demonstrated by [InazumaDenki], though, an old quartz clock module can ...