I like this. Following on from the creative use of LEDs with the Periodic Table, check out this smart shelving system, similarly driven by an Arduino and using LEDs, that serves as a clock. Not a ...

Pi Time is a psychedelic clock made out of fabric and Neopixels, controlled by an Arduino UNO. The clock started out as a quilted Pi symbol. [Chris and Jessica] wanted to make something more around ...

[Craig’s] color clock really came together quite nicely. The majority of the body is acrylic, with two large clear squares and a pair of colored discs. All are held in place by a ring of hardware with ...