LVGL example for M5Stack Core2, Arduino and platformio taken from: https://forum.m5stack.com/topic/3613/how-to-run-lvgl-on-m5stack https://macsbug.wordpress.com/2021/07/05/co2-monitor-with-m5stack-and-lvgl/ https://macsbug.wordpress.com/2021/07/03/lvgl-with-m5stack-part-2/