在这个项目中，将向您展示如何设置和编程您自己的考勤系统，该系统使用RC522 RFID reader。 整个项目中，将展示如何组合使用RFID RC522阅读器和16×2 LCD的电路。 首先展示将这些电路连接到Raspberry Pi的GPIO引脚所需的所有步骤。还将向您展示如何测试每个电路，使其 ...

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 ...

导语：国际资深创客，莫比嗨客树莓派智能机器人有限公司创始人兼CEO刘端阳，从树莓派的起源讲起，一步步教我们如何开发出一款机器人。 导语：树莓派是为学习计算机编程教育而设计的一种微型电脑，其系统是基于Linux的， 虽然只有信用卡大小，但视频 ...

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 ...

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 ...

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 ...

Stepper motor due to its variety of usage in robotics application has numerous ways of controlling. One such method is presented here. Raspberry Pi, the new tool in the market came with a bang. The ...

A Raspberry Pi can be found centric to 3D printers and other CNC machines—almost since the sale of the first Raspberry Pi. Wired had an article about it back in 2013! But can a Pi cut it as a CNC ...