gpio_matrix_display
A Ruby clone of MilesBurton's MatrixDisplay using GPIO for Raspberry Pi
Examples
Scrolling Text
require '/path/to/text_display'
#Initialize 1 display with clock pin 14, data pin 15, and display pin 17
text_display = TextDisplay.new 1, 14, 15, [17]
#Now, make your text scroll with a 200ms delay between steps
text_display.scroll_text "Hiya there", 200