st789Snificantly optimized for 16MHz AVR Arduino boards (2.5-5x faster than other libraries). Achieved 6.9Mbps SPI transfer rate (at DIV216MHz clock) In compatiliblity mode it could work with other MCUs, but I didn't test it.ST789 (Western Aircraft) - Live flht status, scheduled flhts, flht arrival and departure times, flht tracks and playback, flht route and airport. The world’s most popular