7x5 LED Matrix 7x5 LED Matrix from Dominic Bola 7x5 LED Matrix Designed, built and programmed a 7x5 LED matrix with a PICAXE-28X2 microcontroller. gLike 7x5 LED Matrix Designed, built and programmed a 7x5 LED matrix with a PICAXE-28X2 microcontroller. Engineering Share R 7 n Dominic Bola Electrical Engineer Toronto, Canada Follow Contact