use strict; use warnings; use RPi::OLED::SSD1306::128_64 qw(:all); ssd1306_begin(0x2, 0x3c); ssd1306_clearDisplay(); ssd1306_fillRect(0, 10, 50, 20, 2); ssd1306_display(); select(undef, undef, undef, 0.2); ssd1306_clearDisplay(); ssd1306_drawString("My name is stevieb!"); ssd1306_display(); select(undef, undef, undef, 0.2); ssd1306_clearDisplay(); ssd1306_setTextSize(1); ssd1306_drawString("My name is stevieb!"); ssd1306_display(); for (1..10) { ssd1306_clearDisplay(); ssd1306_setTextSize($_); ssd1306_drawString("My name is stevieb!"); ssd1306_display(); select(undef, undef, undef, 0.1); }