Introduction Have you ever encountered difficulties in Linux embedded development when trying to directly manipulate hardware interfaces such as GPIO, LED, PWM, SPI, I2C, MMIO, Serial, etc., only to find that the native APIs are complex, cumbersome, and hard to maintain? Or do you find yourself writing a lot of low-level code every time, making … Read more
1. Basics of the I2C Protocol I2C (Inter-Integrated Circuit) is a two-wire serial communication protocol with the following core features: Two-wire Communication: Only requires two signal lines, SCL (clock line) and SDA (data line) Multi-master Multi-slave Architecture: Supports multiple master and slave devices Addressing: 7-bit or 10-bit slave addresses (7-bit can address up to 112 … Read more
Radxa Partners with Allwinner Technology to Launch the First A733 Platform-Based Single Board Computer Cubie A7A —— Empowering Innovative Applications Across Multiple Industries with a High-Performance Edge AI Computing Platform 【August 18, 2025, Zhuhai, China】 —— Radxa today officially announced its collaboration with Allwinner Technology (stock code: 300458) to launch the first single board computer … Read more
🌟 In-Depth Analysis of ESP32 Hardware Interfaces: The All-in-One IoT Solution Behind 34 GPIOs How to leverage sensors, screens, motors, and even AI with a cost of just ¥10? 🔌 1. Overview of Hardware Interfaces: The Infinite Possibilities of 34 GPIOs The ESP32 featuresup to 34 programmable GPIOs, which can be flexibly reconfigured as UART, … Read more
When designing PCBs, the design requirements for common hardware interfaces are crucial for ensuring circuit performance and stability. Below are some common hardware interface PCB design requirements: 1. USB Interface Design Requirements ① Total length control: Keep it within 1800 mils as much as possible. ② Differential pair characteristic impedance: 90Ω. ③ Power pin trace … Read more
Introduction **Hello everyone!** Today, I want to talk to you about a frequently overlooked but extremely important part of PLC programming —hardware programming interfaces. “Isn’t it just about plugging in a cable?” **You might think so. But I want to tell you that **choosing the right programming interface can improve your debugging efficiency by over … Read more
Embedded Programming in ALGOL: Hardware Interfaces and Real-Time Systems Introduction ALGOL (Algorithmic Language) is a historic programming language that, although less popular today compared to languages like C and Python, played a significant role in the development of computer science. This article will introduce how to use ALGOL for embedded programming, particularly in the application … Read more