BlokClok Project
Here’s a super-nerdy timepiece created using Arduino, a DS1307 real-time clock chip, four 74HC595 shift registers, and an 8×8 RGB dot matrix display. How does it tell time? The time is indicated using blocks of colour. The central 6×6 grid is split into 4 x (3×3) grids and each 3×3 block is a different colour. […]