29 Dec '14, 9am

What is the Matrix…Clock?

What is the Matrix…Clock?

We’re surprised we haven’t seen this kind of clock before, or maybe we have, but forgot about it in the dark filing cabinets of our minds. The above picture of [danjhamer’s] Matrix Clock doesn’t quite do it justice, because this is a clock that doesn’t just tick away and idly update the minutes/hours. Instead, a familiar Matrix-esque rain animation swoops in from above, exchanging old numbers for new. For the most part, the build is what you would expect: a 16×8 LED Matrix display driven by a TLC5920 LED driver, with an Arduino that uses a DS1307 RTC (real-time clock) with a coin cell battery to keep track of time when not powered through USB. [danjhamer] has also created a 3D-printed enclosure as well as added a piezo speaker to allow the clock to chime off customizable musical alarms. You can find schematics and other details on his Hackaday.io project page, but first, s...

Full article: http://hackaday.com/2014/12/29/what-is-the-matrix-clock/

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Small, Detailed Nixie Clock Build

Small, Detailed Nixie Clock Build

hackaday.com 31 Dec '14, 12pm

Nixie tubes, while built during the vacuum tube era of the mid-20th century, still exist in a niche among hackers. It’s qu...