构建iot应用程序的费用是多少？
the development cost of an iot app depends on what kind of device and purpose it's being built. for example, the cost would be lower if you need the app for a smartphone in comparison with a wearable device.
事物互联网（物联网）中的“事物”可以是来自农业设备（拖拉机，灌溉系统，无人机）到带有跟踪器的车辆的任何东西，将数据发送到物流协调员并观察智能手表的一部分。