Multi-machine Communication Between ARM Controller and PC Programmed by Delphi

Introduced a Multi-serial communication data acquisition and control processing system between ARM controller and PC Based on RS485 bus.ARM controller as the lower computer can control multiple load management terminal flexibly,also can form a network with PC for remote data transmission.System software is programmed by Delphi to realize the system is small,reliable performance,less external electronic components,easy to use and flexible,has great relevance.