Humanoid Robot with a Flexible Neck, LEGO-Based 3D Printer, and Open Source AI Wearable Device｜DF Maker Weekly (Issue 130)

【Click the above“blue text” to follow the DF Maker Community and become a tech enthusiast】 The community public account records weekly shareable maker-related content, published every Friday～ Submissions or recommendations for related content are welcome. Submission email: <span>[email protected]</span> Giving Robots a “Flexible Neck” This project creates a bionic neck for humanoid robots that closely resembles … Read more

Detailed Requirements for High-Speed Signal PCB Routing: eMMC/USB/MIPI/LVDS/RGMII

01 eMMC Signal Impedance and Routing It is recommended to use ground wrapping for CLK and STRB signals, with a ground via every ≤500 mil. During overall layout,eMMC should be placed as close to the SOC as possible to minimize routing length. The reference layer for all eMMC signals must be a complete ground plane … Read more

Methods for High-Bandwidth Data Access via GMSL

Click the blue text Follow us 1. Introduction to GMSL GMSL: Gigabit Multimedia Serial Link is a high-speed serial interface introduced by Maxim, suitable for the transmission of video, audio, and control signals, using 50Ω coaxial cables or 100Ω shielded twisted pair cables, with transmission distances of up to 15m or more. The characteristic of … Read more

Introduction to Camera Video Interfaces (Reprint)

Introduction: Recently, I have come into contact with the interfaces of small cameras, and I am reprinting this article. This article introduces the “camera” interfaces, while some industrial camera interfaces such as CameraLink and CoaXPress are not covered. I will organize them when I have time. Original link: https://www.liuwenhao.me/?p=5125 Table of Contents 1. Analog Cameras … Read more

How Do In-Car Cameras See the World?

Welcome to follow the public account belowAbao1990, this public account focuses on autonomous driving and smart cockpits, providing you with automotive insights every day. We start with cars, but we are not limited to them. In the current context of intelligent driving sweeping the automotive industry, the term “camera” has become familiar to everyone. Many … Read more

In-Depth Analysis of the Working Principles of Automotive Cameras

In the current global wave of intelligent driving, cameras have become one of the essential core sensors in automotive perception systems. They not only give vehicles the ability to “see” but also provide foundational data support for subsequent AI model recognition and decision-making. Although we use the cameras on our phones or computers every day, … Read more

Micro:bit Project 03 – Speed Control Fan – Information Technology Course

01 Overview 1.1 Introduction Summer is here, and the weather is a bit hot. Let’s make a small fan with the micro:bit to help cool us down. 1.2 Course Objectives 【Scientific Knowledge】Understand the difference between analog signals and digital signals. 【Programming Knowledge】Master the use of functions. 【Hardware Knowledge】Master the control methods of motors, including: forward, … Read more

Why Mid-Range and High-End Smartphones No Longer Use LCD Screens? Perhaps It’s Just Not Feasible!

Have you noticed that starting from 2025, even some budget phones are beginning to adopt OLED screens, and new models featuring LCD screens are becoming increasingly rare? It seems that LCD screens may face complete elimination. What is the reason behind this?In fact, professional smartphone display engineers understand this better than we do. Compared to … Read more

OCP82131 LCD Display Power Chip

The OCP82131 is designed to support TFT-LCD panels with positive/negative drive of at least up to 10 inches (from SFF to MFF, such as tablets). The two outputs are typically connected to the source driver IC. This device uses a single inductor scheme to provide the smallest possible solution size and high efficiency. It features … Read more

Disassembly Guide for the Baolait EMS Module

Attention to all medical equipment maintenance professionals! The disassembly of the Baolait EMS module has many nuances, and making a mistake at any step may affect the normal operation of the device. Today, we will use a super simple illustration to guide you through the safe disassembly step by step, unlocking key operations quickly! The … Read more