“It’s only software!” A sentence that strikes terror in the heart of an embedded systems software developer. That sentence is often uttered when the software ...

背景：最近整理东西，发现了一个蓝色的小模块，上面还有两个像喇叭的小东西，关键上面还有丝印，用蓝底白字写着“HC-SR04”，于是勾起了我的好奇心，动动小手指，百度找到了这个小板子的信息，原来是一个超声波测距模块，还挺有意思的，而且只引出来了 ...

“It’s only software!” A sentence that strikes terror in the heart of an embedded systems software developer. That sentence is often uttered when the software ...

Makers, developers and enthusiasts building distance related projects may be interested to know that the HC-SR04 ultrasonic sonar distance sensor is now available to purchase directly from the ...