前几天在淘宝上买了个长得这样的土壤湿度传感器： 结果搜了一圈，网上似乎还没有Windows 10的例子代码，又只能自己爆了。 这个传感器有4个阵脚，意思分别是： 针脚 含义 AO 模拟信号输出 DO 数字信号输出 GND 电源负极 VCC 电源正极 所以，我们把VCC接到树莓派的DC3.3v输出上，我用的是PIN 01，GND接在任何一个接地端口上，我用的是PIN 09，DO输出接任何一个空闲的GPIO端口，我用的是21。如果不清楚树莓派端口布局的朋友可以参考这张图： 连线完成就像是这样： 电源连通之后，电源灯会亮起： 调节传感器上的旋钮（蓝色的菊花），这个是灵敏度的校准，也是个阈值，直到在干燥空气中不让DO- …
I purchased a GY-30 light sensor recently, this model is also known as "BH1550FVI". There seems no sample for this sensor on Windows 10 yet, so I tried to make one. The light sensor looks like this: My board is a Raspberry Pi 3, the GPIO layout is shown in this table: Because GY-30 is an I2C device, so we can not use GPIO to drive it directly, we must use the I2C ports. In addition, …
UWP通常是没有让设备关机和重启的权限的。但是在Windows 10 IoT Core中是有办法实现的。安装Windows 10 Iot Core之后默认启动的那个欢迎页面右上角是有关机和重启按钮的。其实就是个UWP，它的源代码在：https://github.com/ms-iot/samples/tree/develop/IoTCoreDefaultApp 分析源代码可以发现，关机和重启是通过ShutDownManager这个class实现的。 #region Assembly Windows.System.SystemManagementContract, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null, ContentType=WindowsRuntime // C:\Program Files (x86) …
For those who have watched the "Big Bang Theory", you would probably remember that those physicists build an Internet controlled lamp. The signal send from their laptop traveled around the world and come back to their house to light up the lamp. Now, with Windows 10 IoT Core and Microsoft Azure, we could also achieve the same thing on a Raspberry Pi 3. First, I strongly recommend you …
