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 ...

Raspberry Pi enthusiasts wanting to connect their projects to the Arduino Cloud using Python might be interested in a guide specifically created by the official Arduino team. Raspberry Pi GPIO control ...

The Raspberry Pi has been very popular among hobbyists and educators ever since its launch in 2011. The Raspberry Pi is a credit-card-sized single-board computer with a Broadcom BCM 2835 SoC, 256MB to ...

In addition to being a serviceable single board computer, the Raspberry Pi also has a header full of GPIO pins at your beck and call. [Tedbot] sent in a great tutorial on using these pins with Python, ...

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 ...

Over the last decade, the open-source movement has not only transformed the world of software, but also catalyzed a sweeping revolution in hardware tinkering. At the heart of this shift lies a ...

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 ...