Must-Read Books for Beginners in Embedded Arm Linux Recently, a student who just started learning Arm Linux asked me for advice on good books for beginners. Embedded Linux is a vast system that involves hardware and computer science, bridging electronics and computing. Many students from electronics-related majors are unfamiliar with computer principles and operating systems, … Read more
Most applications using Cortex-M3/M4 MCUs are portable and powered by batteries or energy harvesting systems. Therefore, most of the concepts discussed in this article involve how to reduce overall system energy consumption. However, in many cases, these energy-saving technologies are also powerful tools for processor application design, providing more cost-effective solutions, greater design redundancy for … Read more
Author | Robert van der Zwan (Netherlands) Translator | He Mu COVID-19 and MCU: Uncertain Prospects How significant is the impact of COVID-19 on the MCU market? Some research firms have fully considered the effects of the pandemic in their forecasts. Considering the state of embedded systems using microcontrollers (MCUs), they believe the MCU market … Read more
When you want to save the hard drive on your PC, the backup program writes a complete image of the memory contents to a storage medium (such as another hard drive). However, the RevPiCore does not have a hard drive as storage medium. It uses an embedded multimedia card (eMMC) instead of a hard disk … Read more
Submitted by Archer. Hello everyone, long time no see, I am Archer. Recently, I got some low-cost boards and also bought a Raspberry Pi 1 on Xianyu, which I have been keeping idle. I thought about flashing OpenWrt to use it as a high-performance soft router, but unfortunately, the performance is not enough. Under OpenWrt, … Read more
△Star ☆dop design, don’t miss any valuable articles. ↑↑↑Click to follow, learn design tips with me every day at noon 12 o’clock↑↑↑ This article is reprinted from Designer’s Brain Cells, copyright belongs to the original author. Appliances, especially in kitchen spaces and balconies, whether large or small, take up a lot of space. Cluttered appliances … Read more
Prepare the environment: Install the source package and xargo. rustup add component rust-src cargo install xargo Specify the OpenWRT gcc environment: Copy the toolchain to the designated directory, or leave it in the source directory, and edit the specified toolchain’s bin directory in the bash script ~/.bashrc for xargo to use. Edit build.rs to specify … Read more
This project uses a Raspberry Pi with ultra-low-cost software-defined radio (SDR) hardware to receive tracking information sent by airborne S-mode transponders from millions of miles away. The Raspberry Pi is equipped with a sleek 3.5-inch TFT display to provide a convenient overview of aircraft activity. Hardware The RTL2832U-based tiny SDR receiver (124-5461) was originally designed … Read more
CHH ID: feijianfei 1. Background This year, as everyone knows, has been quite challenging. Friends from the forum may remember that I have been in the U.S. for many years. This year, amidst the pandemic and the tumultuous relations between the two countries, I consider myself very lucky to still be here. Just before the … Read more
【Click the top「blue text」 to follow DF Maker Community and become a tech aesthetician together】 The community public account records shareable maker-related content every week, published every Friday～ Welcome to submit or recommend relevant content. Submission email: <span>[email protected]</span> Smart Ring: Monitor Health Anytime, Powered by Sweat This ring is powered by the wearer’s fingertip sweat … Read more