自己编写的一个串口调试助手，可以实现com1到com5的调试，适合初学者学习-I have written a serial debugging assistant, can achieve com1 to com5 debugging, for beginners to learn

自己编写的一个串口调试助手，可以实现com1到com5的调试，适合初学者学习-I have written a serial debugging assistant, can achieve com1 to com5 debugging, for beginners to learn