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 5 is a fantastic little computing machine. However, no matter how powerful the Raspberry Pi 5’s CPU may be, the Raspberry Pi 5 would be a useless lump of silicon and FR4 without a ...

Mike Lopez has created a new piece of hardware that Raspberry Pi enthusiasts may be interested in called the Avocado Pi. The new piece of hardware has been specifically designed to provide a way of ...

Since the pandemic continues to spread around the world, it seems likely we'll be spending the winter staying safer at home. And with cooler temperatures keeping us indoors and making outdoor ...

The Raspberry Pi single-board computer and all its variants have captured the imaginations of DIY enthusiasts and budding hobbyists alike. With the latest model, the Raspberry Pi 5, the mini-PC is ...

The new Raspberry Pi Zero 2 W costs just $15/£13, but is equipped with a Broadcom BCM2710A1 SOC which gives you a 1GHz quad-core 64-bit ARM Cortex-A53 CPU and 512MB RAM. The W indicates that it has Wi ...