arduino程序，使用B4R编写，与B4A_weather配合使用，B4R为硬件程序，B4A为软件程序（手机APP）(Arduino program, written using B4R, and B4A_weather with the use of B4R hardware program, B4A software program (mobile phone APP))

rTM1638 B4R Library TM1638 for Arduino