A BCD Clock For Your Desk

We see so many clocks here at Hackaday, and among those we see our fair share of binary clocks. But to see one that at first sight looks as though it might be a commercial product when it is in fact a one-off project is something special. That’s just what [Tobi4sDE] has done though, with his desktop BCD binary LED clock.

The front panel is a black PCB on which sit the LEDs that form the binary display, and its back holds an ATMega328P microcontroller and DS3231 real-time clock. A smart desktop case is 3D-printed, and while the clock is USB-powered it features a CR2032 coin cell as a backup to hold the time while the USB is disconnected.

Unexpectedly he’s used a mini USB socket rather than the expected micro USB, but the rest of the clock is one we’d probably all have on our desks given the chance. We’d even go so far as to say we’d have this one as a kit if it were available.

Of course, regular readers will notice that this isn’t the only high-standard BCD timepiece you’ll have seen recently, though the other one was a wristwatch.

8 thoughts on “A BCD Clock For Your Desk

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