采用本发明实施例的方法和系统，可对“准单向传输系统”提供安全性保障，进一步保障了网络安全。

After the method and the system in the embodiment of invention are adopted, the safety of a quasi-unidirectional transmission system is ensured and network safety is further ensured.

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现有LED显示屏控制系统以单向开路的方式进行数据传输，在任意一个传输通路上发生故障时，LED显示屏都不能正确显示。

The existing control system of LED display transmits data with unidirectional open circuit way, but if any one of transmission paths was on the event of failure, LED display would not show correctly.

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针对传统无线通信是单向传输的局限问题，设计了基于nRF 905射频芯片的双向通信系统并以单片机为主控制单元。

Based on the traditional wireless communications limited transmissions is limited, based on the NRF905 rf chip design of two-way communication system and MCU control unit mainly.

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