Introduction - If you have any usage issues, please Google them yourself
1. This demonstration program was added CAN timeout exit processing
2. If you do not add the bus, LCD FAILED, LED still count, that will not have to wait
3. Plug the bus starts to send data, two-way node data on the hair
4. Bus RS232 ports: 7 feet is H, pin 2 is L, the correct connection method is: 7 7,