This tutorial explains how to install the Jessie image on the Raspberry Pi 3 B board, enabling ROS development on the Raspberry Pi. First, let’s get acquainted with the Raspberry Pi development board. The Raspberry Pi (Chinese name: “树莓派”, abbreviated as RPi or RasPi/RPi) is a credit card-sized computer designed for computer programming education for … Read more
Yesterday, the first photo of the Raspberry Pi 3 single-board computer was leaked, attracting widespread attention from domestic and foreign media. Although the leaked images are not very clear, we can still analyze and predict the various upgrade indicators of the Raspberry Pi 3 compared to the Raspberry Pi 2. Let’s unveil the mysteries of … Read more
Last Issue Review: Playing with Raspberry Pi 3+ a trial run Playing with Raspberry Pi 3+ to succeed, one must first sharpen their tools Playing with Raspberry Pi 3+ Bluetooth configuration and evaluation Playing with Raspberry Pi 3+ painful experience with Win 10 IoT Playing with Raspberry Pi 3+ turning it into a portable WiFi … Read more
Due to the modern operating system’s architecture of multiprocessor computing, it is inevitable to encounter situations where multiple processes and threads access shared data, as shown in the figure below: Each color in the figure represents a type of race condition, which can be categorized into three main types: Between processes: preemption on a single … Read more
Dropbox is a free web file synchronization tool, an online storage service operated by Dropbox Inc., which achieves file synchronization over the internet through cloud computing, allowing users to store and share files and folders. Dropbox offers both free and paid services, with paid services including Dropbox Pro and Dropbox for Business. There are client … Read more
Programmer’s Growth Path Internet/Programmer/Technology/Resource Sharing Follow Reading this article will take approximately 16 minutes. From: blog.csdn.net/mu_wind/article/details/91464351 1 Basic Features Java 8’s API introduced a new feature: Stream. A stream treats the elements of an array or collection as a flow, allowing data to be filtered, sorted, and manipulated as it flows through a pipeline. 1.1 … Read more
1. Project Background Smart agriculture is a rapidly developing field in recent years, aiming to utilize advanced sensing technology, Internet of Things (IoT) technology, and cloud computing technology to achieve automated and intelligent agricultural production management, thus improving agricultural production efficiency and quality. This article designs a smart agriculture control system based on CC2530, using … Read more
Recently, the world’s first multi-modal mobile robot development platform LIMO, in collaboration with the domestic ROS learning community Guyueju, has jointly launched an open-source free course “ROS Mobile Robot Practical Training”, as well as a professional core curriculum system for higher education institutions “Principles and Applications of Mobile Robots”. The course is aimed at students … Read more
Using LEDs to create a Cupid’s arrow pattern with different dot matrix variations seems like a good idea.The romance of electronic engineers does not depend on how perfect the finished product is, but rather on the difficulties in the implementation process. Cupid’s arrow The small board below integrates 40 LEDs to form the Cupid’s arrow … Read more
For students engaged in embedded development or those who enjoy DIY, they are often willing to tinker with various hardware and software. Today, I will share something from an embedded enthusiast – the M5Pi. What is M5Pi? M5Pi is an embedded Linux development board that I recently created and made open source. It is based … Read more