1.准备工作
1-1、A300-云腾边缘一体机
商品图片待上传：
商品详情待替换：
1-2、CAN传感器，温湿度传感器
温湿度传感器信息（一般在配套的文档中）
温湿度传感器中温度湿度寄存器（保持寄存器）地址：
通信示例（在文末更改Node-Red配置的时候可能会用到）：
1-3、USB转485工具，读取到传感器的波特率和地址码
1-3-1、USB转485工具接线图：
1-3-2、通过软件读取并配置传感器地址码及其波特率
接线完成后将USB转485工具连接电脑并打开 "控制面板" -> "设备管理器"，找到其连接的端口号：
串口软件及其使用说明：📎参数设置软件软件使用说明.pdf📎串口软件.rar
然后打开串口工具：
1-4、RS485设备连接T3000RS485-1接口接线图
2、进入Node-red实例中，进行节点配置
节点接线图
RS485-请求(Modbus-请求节点)配置：
串口节点配置：
RS485解析(Modbus-解析节点)配置：
视频演示
此处为语雀视频卡片，点击链接查看：AIoTedge-串口节点+Modbus请求解析.mp4
Node-red流程完整代码
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