基于无线龙的简单点对点协议，接收添加串口通信，发射节点采用DHT11温湿度传感器，在PC上用串口工具查看回传数据时请使用十六进制显示。-Long based on a simple point to point protocol wireless receiver to add serial communications, transmitting node using DHT11 temperature and humidity sensors, with a serial port on t