These Plessey dot-matrix displays are a perfect example of that. We’re not sure where [Michael] scored these displays, but they look fantastic.

These Plessey dot-matrix displays are a perfect example of that. We’re not sure where [Michael] scored these displays, but they look fantastic.

The Echo Dot with Clock simply adds an LED dot matrix display to the front — it’s a little lower than the center of the sphere but higher than last year’s model.

Instead of a proper screen, it has a a simple LED dot matrix display that only shows digits for the time. The much simpler design and eye-catching clock lights made the device a particular favourite.

You can smack the top of the Echo Dot Clock to silence an alarm instead of hunting for a specific button or using a voice command, and the dot-matrix display can be easily seen at night.

The circuit interfaces a display that features four 5-by-5 dot-matrix characters by using the display’s serial peripheral interface and a programmable system on a chip (PSoC). The SPI reduces ...