Follow andstar our public account to not miss out on exciting content. Source: EDN Electronic Technology Design Linux memory is a computer resource that backend developers need to understand deeply. Proper use of memory helps to improve machine performance and stability. This article mainly introduces the organization structure and page layout of Linux memory, the … Read more
Recently, RT-Thread Space high-reliability embedded real-time operating system has completed a third-party evaluation by Beijing Xuanyu Information Technology Co., Ltd. (hereinafter referred to as “Xuanyu Information”), The test conclusion indicates that RT-Thread Space embedded real-time operating system meets the requirements of GJB7718-2012 “Technical Requirements for Military Embedded Operating Systems” and GJB7706-2012 “Evaluation Requirements for Military … Read more
In embedded systems, memory is a scarce resource, especially in consumer products. To save costs, hardware resources are generally utilized to the fullest. During the development process, we often encounter situations where the running memory (RAM) is almost sufficient but just not enough, such as: Need to add a small algorithm to the original system … Read more
Source: ROHM This article is a translation from DevicePlus.com. DIY Raspberry Pi Drone Part 2 – Naza-M Lite Guide In the previous article, we introduced the individual hardware in the system and assembled a quadcopter. In this second part, we will introduce the software part of the quadcopter. We will configure the transmitter and receiver … Read more
Course OK02 is built on the foundation of Course OK01, achieving blinking by continuously turning the OK or ACT LED indicators on and off. — Robert Mullins Course OK02 is built on the foundation of Course OK01, achieving blinking by continuously turning the OK or ACT LED indicators on and off. Assuming you already have … Read more
vcgencmd tool is used to output information from the VideoCore GPU on Raspberry Pi. You can find the source code for the vcgencmd utility at Github.To get a list of all supported vcgencmd commands, use vcgencmd commands. Below are some useful commands and their required parameters. vcos The vcos command has two useful subcommands: version … Read more
Using a depth camera to capture images, YOLO detects human bodies and can be configured on the Raspberry Pi 5, suitable for various small to medium-sized robots. Configuration Raspberry Pi 5 ROS2 Jazzy Intel RealSense D405 Depth Camera YOLOv8n Model Using 30 Fps, it is recommended to change to 6 Fps on Raspberry Pi 5 … Read more
Copyright Notice Reprint without authorization is allowed 1. OMV Configuration The installation is generally straightforward, and as long as the network environment is suitable, there shouldn’t be any errors. Once the installation is complete, you can start configuring OMV, which mainly consists of the following aspects. •General Settings•Update Source Settings•Docker Installation•Disk Settings General Settings involves … Read more
Displaying CPU Temperature with a Two-Digit Display Overview A few days ago, we learned how to use a one-digit display to show single-digit countdowns. This time, we will learn how to use a two-digit display to show the CPU temperature. In this lesson, we will learn: The display principle of a two-digit display Persistence of … Read more
Introduction It has been almost a month since I unboxed the Raspberry Pi 4B. During this time, I have tried running several services on the Raspberry Pi. Overall, the 8GB version’s memory is indeed excessive; except for once when I built an aarch64 architecture Docker image, the memory usage peaked at 40%, while at other … Read more