This module is a simple 8x8 LED Matrix that contains up to 64 LEDs. Each LED has a diameter of 3mm wide and the entire module is 30mm wide and long. The pinout on the back is the regular 16 pin you would find in a 4x Seven Segment Display.
This module is a simple 8x8 LED Matrix that contains up to 64 LEDs. Each LED dot has a diameter of 2mm and the entire module is a 20x20mm square.
This module is a simple 8x8 LED Matrix that contains up to 64 LEDs. Each LED dot has a diameter of 3.5mm and the entire module is a 38x38mm square.