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
[Image]Click to follow us for more IIOT insights![Image][Image]Hongke Industrial Raspberry Pi with high performance, multiple interfaces, and wide temperature range—adapted to harsh environments★★★★★1 IntroductionHow much do you know about FTP? The FTP server (File Transfer Protocol Server) is a computer that provides file storage and access services on the Internet…
How to Play Video To play a video, please use cd to navigate to the terminal’s video file location, then type the following command: omxplayer example.mp4 This will play example.mp4 in fullscreen. Press Ctrl + C to exit. On Raspberry Pi 4, hardware support for MPEG2 and VC-1 codecs has been removed, so we recommend … Read more
01 Content Summary Content validity The Raspberry Pi is a Linux-based credit card-sized computer. The initial purpose of developing the Raspberry Pi was to promote basic computer science education in schools through low-cost hardware and free software. However, it quickly gained popularity among computer and hardware enthusiasts, who used it to learn programming and create … Read more
Screen 02 course builds on the foundation of Screen 01, teaching you how to draw lines and a small feature that generates pseudo-random numbers. — Alex Chadwick Screen 02 course builds on the foundation of Screen 01, teaching you how to draw lines and a small feature that generates pseudo-random numbers. Assuming you already have … Read more
Content Preview In the previous article, we set up an Ubuntu server system for Raspberry Pi on the SD card using Raspberry Pi Imager. After inserting it into the Raspberry Pi slot and connecting the network cable and power, we have a Raspberry Pi server✌🏻. However, many users wish to easily access the Raspberry Pi … Read more
Raspberry Pi Car Tutorial (Part 2) In the previous issue, we discussed some preparations and material introductions for the Raspberry Pi car. In this issue, we will talk about the hardware connections of the Raspberry Pi car. 1) Connection of Raspberry Pi Small Fan Connect the fan to pins 3 and 5 of the 40-pin … Read more
Dear technology enthusiasts and developer friends: A technical feast not to be missed is coming! On October 23 at 14:00, Shanghai Jingheng——the world’s largest design partner and agent of Raspberry Pi, will join hands with Yunhan Chip City to present an unprecedented in-depth live broadcast! In this live broadcast, we will comprehensively analyze the highly … Read more
Previously, I played with Beagle Bone Black for a while, and this time I borrowed Raspberry Pi 2, so I decided to do a simple comparison and testing of the three boards. The three boards involved in the comparison are TI’s BeagleBone Black (BBB), Raspberry Pi 2 Model B, and Raspberry Pi 3 Model B. … Read more