Embedded Development

Using the CW32 Module: 1.3-Inch Monochrome OLED Display

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1Module Source>>> Product Physical Display： Data Download Link：https://pan.baidu.com/s/1FNGHM0u5MQ2li3QOrTkTuA Data Extraction Code：8888 2Specifications>>> The following information can be found in the manufacturer’s screen specification document. Operating Voltage：3.3V ~ 5V Operating Current：20mA Module Size：33.5 x 35.4 MM Pixel Pitch：0.23(H) x 0.23(V) Pixel Size：0.21(H) x 0.21(V) Driver Chip：SH1106 Communication Protocol：SPI (Adjustable IIC) 3Porting Process>>> Our goal is to … Read more

STM32FreeRTOS: A Powerful Solution for Implementing Real-Time Operating Systems on Arduino

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STM32FreeRTOS: A Powerful Solution for Implementing Real-Time Operating Systems on Arduino

In embedded system development, real-time operating systems (RTOS) are becoming increasingly important. The STM32FreeRTOS library provides Arduino users with an easy way to implement RTOS functionality. This article will delve into the features and usage of STM32FreeRTOS, allowing you to quickly get started with this powerful development tool. What is STM32FreeRTOS? STM32FreeRTOS is a library … Read more

Tutorial for Creating a Music Player Based on Arduino

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Tutorial for Creating a Music Player Based on Arduino

1. Development Environment Configuration 1. Download Arduino IDE – Official download link: https://www.arduino.cc/en/software – Version selection: – Recommended version 1.8.x stable (best compatibility) – Or version 2.0.x (requires testing library compatibility) 2. Installation Steps (This section only explains Windows system) ① Double-click the exe installation package ② Check “Install USB drivers” ③ It is recommended … Read more

How to Connect the HSC001 Audio Player Module with Arduino Development Board

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How to Connect the HSC001 Audio Player Module with Arduino Development Board

Want to dive into the world of audio playback in electronic products? To help you get started, we recommend the HSC001 module. This is a 24-bit audio player with many excellent features: size, price, etc. You can use it for various purposes: playing music in elevators, generating sounds for various devices, and more. In this … Read more

Linux Driver Development

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Linux Driver Development

The MMC/SD driver model is widely used in embedded development, and its corresponding Linux system framework can be classified under block devices. If you want to understand the IO storage stack, you can start with the simple MMC/SD driver model. Linux MMC/SD Driver Model The MMC/SD driver in Linux is mainly divided into three layers: … Read more

Daily Learning | Basic Training in C Language

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Daily Learning | Basic Training in C Language

Problem: Example 066 Problem: Input three numbers a, b, c, and output them in order of size. Program Analysis: Use pointer method. NEXT Solution: # include<stdio.h> void swap(int *, int *); int main(void) { int a, b, c; int *p1, *p2, *p3; printf(“Input a, b, c:\n”); scanf(“%d %d %d”, &a, &b, &c); p1 = &a; … Read more

Embedded Development: Choosing Between Microcontrollers + RTOS or Linux?

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Embedded Development: Choosing Between Microcontrollers + RTOS or Linux?

ABOUT ME “Bachelor’s in Electronic Information, Master’s in Computer Science, both from top 985 universities. Years of R&D experience in major internet companies, two of the top three. Focused on the IT field, specializing in professional choices, career planning, and programming skill enhancement.” With the continuous development of artificial intelligence, the Internet of Things, and … Read more

So Many Compilers for Embedded Development, Can You Handle It?

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So Many Compilers for Embedded Development, Can You Handle It?

Why Are Compilers So Critical? On resource-constrained embedded platforms, compilers are not only responsible for translating source code into machine instructions but also undertake multi-level optimization tasks: Code Optimization and Size Reduction: Through function inlining, loop unrolling, constant propagation, and link-time optimization (LTO), firmware performance is enhanced and size is minimized. Hardware-Related Parameter Configuration: By … Read more

Review of the Peer Workshop: Growth Secrets of Embedded Experts

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Review of the Peer Workshop: Growth Secrets of Embedded Experts

【Event Review】Growth Secrets of Embedded Experts Peer Workshop Event On May 21, the Peer Workshop event was successfully held! We invited senior student Wang Zhihong from the Internet of Things Engineering major to deliver an in-depth sharing focused on technical growth and career planning. “ Sharing Content Senior Wang Zhihong presented a “hardcore” experience feast … Read more