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 is a great machine to learn the ins and outs of blinking pins, but for doing anything that requires blinking pins fast, you’re better off going with a BeagleBone. This has been the ...

Makers, developers and hobbyists that enjoy building projects using the awesome Raspberry Pi mini PC may be interested in a new digital and analog expansion board called the PIIO. The PIIO has been ...

There’s also a Python library (basically a set of commands you can use to control the robot) available to go alongside the HAT, which will let you write software to control the robot parts you’ve got ...

How much can you cram into a 2.6 in x 1.2 in circuit board? You'd presume not much, but the Raspberry Foundation is trying to prove you wrong. First, it added built-in Wi-Fi to its teeny Raspberry Pi ...

Four years after the release of the Raspberry Pi 4, the Raspberry Pi team is back with a new small-but-mighty computer — the Raspberry Pi 5. It’s a worthy successor that features updated components ...

Ryanteck has unveiled a new USB Raspberry Pi compatible GPIO header board called the RTk.GPIO, which has been created to provide an easy way to add a Raspberry Pi GPIO headers to your desktop computer ...