用到了io和time，先设置IO的map方式，然后是引脚。接着死循环，交替的让18脚输出高低电平，中间是时间。 原理是很简单，通过快速的改变18脚的开关状态来工作，延迟时间用音调计算而来。 初始化的韩苏护创建一个check_var的成员变量，包含了一个bool的变量，未 ...

The Raspberry Pi 2 builds on the solid foundation of the first generation models. It offers a huge performance jump compared to the Raspberry Pi 1: Single core to quad-core, ARMv6 to ARMv7, 512MB to ...

The official Raspberry Pi Foundation has this week announced the release of new GPIO expander software which has been created to provide easy access to the GPIO pins of a Raspberry Pi Zero while ...

Are you not quite sure what embedded development platform to use? Are you interested in learning Linux without the hassle of installing a distro on a target computing machine? If you answered yes to ...

Raspberry Pi has launched a new product that would make it easier to build robots out of LEGO components. The Build HAT (or Hardware Attached on Top), as it is called, is an add-on device that plugs ...