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Display made of seven segment LED indicators

We are used to see displays made of dot pixels. But this one is a bit different – it’s made of seven segment displays. When you take a large number of these and treat individual LED in indicator like “pixel” you get interesting results. Skot has started this project called DigitGrid to show that indicators can display more than numbers and letters. He used 512 7-segment digits to form an array. Digits are grouped in to modules that are controlled by TLC5920 Driver. All these modules are connected to Spartan 3E FPGA which receives frames over serial interface. Animations are created using Processing and then passed to DigitGrid. Project is pretty ambitious as it requires lots work to assemble in to one working piece. But results look astonishing. Continue reading