HC-08蓝牙4.0BLE串口模块使用资料包,安卓手机APP测试软件(HC-08 Bluetooth 4.0BLE serial module using data package, Android mobile APP test software)

一个很详细的教程，能够实现土壤湿度的一个检测，通过arduino,并且有实际的教程，包括原理的说明和连线。(A very detailed tutorial that enables a test of soil moisture, through Arduino, and has practical tutorials, including a descr iption of the principles and wiring.)