modbus 协议通讯程序，包括基本的串口设定和设置，协议的帮助和CRC教研，是一个专用的电机保护调试、设置的终端-Modbus protocol communications procedures, including basic serial port settings and setup, and the agreement with the help of CRC research, is a dedicated motor protection debugging, set up te

connect to modbus motor

Modbus双直流电机调试，实现小车直行，左转，右转，后退-Modbus dual DC motor debugging, to achieve car straight, turn left, turn right, back