中文摘要：

设计了一种基于JN5121的无线传感器网络节点．JN5121内部集成的Zigbee协议保证了无线通讯的便捷、准确，使用该节点组网可以大大降低开发设计无线传感器网络的难度，缩短设计周期，具有低成本、低功耗和配置灵活等优点．

英文摘要：

A wireless sensor network node based on JN5121 is designed. The Zigbee protocol integrated in the interior of JN5121 guarantees convenience and accuracy of wireless communication. Using the node to construct network greatly decreases the difficulty of developing wireless sensor network and shortens developing cycles. It has advantages such as low cost, low power dissipation and flexible configuration, etc.