20 Essential PCB Layout Design Guidelines You Must Read!

20 Essential PCB Layout Design Guidelines You Must Read!

In the process of PCB layout and routing, it is crucial to follow certain design guidelines to ensure the stability and reliability of the circuit. Below are 20 essential PCB layout design guidelines that we hope will be helpful to everyone. 1. Isolation of Strong and Weak Currents, High and Low Voltages, and High and … Read more

Getting Started with the Arm Cortex-M23 Development Board: Summary of the Air Conditioning Control Project

Getting Started with the Arm Cortex-M23 Development Board: Summary of the Air Conditioning Control Project

As I walk along the waves, occasionally looking back, though I cannot see the marks, I can still glimpse the distant shore. Since graduating in 2015, it has been eight years. I have worked in hardware for eight years, and my love for it runs deep. I still remember a friend I met in the … Read more

Build a Bluetooth Speaker with Free PCB: An Ultra-Simple Solution! Open Source…

Build a Bluetooth Speaker with Free PCB: An Ultra-Simple Solution! Open Source...

Introduction Why is the top so pointy? Just kidding! Today! I will guide you step by step to create a super cool Bluetooth speaker! 01It has 4 major highlights!” ① Simple to make! Simple circuit design! Easy to solder! Most components use through-hole packages. No coding required, just burn the firmware! Pure hardware design! ② … Read more

Proteus 8.9 Download and Installation Guide

Proteus 8.9 Download and Installation Guide

Download Software 1. Software Name:Proteus 2. Software Version: 8.93. Software Size: 387 MB4. System Requirements: Windows 7/Windows 10/Windows 11 (64-bit) 5.Download link from Quark Cloud Disk: https://pan.quark.cn/s/e50642f3665c More resource links: dhm6.cn Remote installation contact: fuy5790 (please note for installation) Access Quark on mobile to get 1TB of free space Transfer the link content before downloading … Read more

Proteus 8.9 Software Installation Guide and Download Package

Proteus 8.9 Software Installation Guide and Download Package

Software Download 1. Software Name:Proteus 2. Software Version: 8.93. Software Size: 387 MB4. System Requirements: Windows 7/Windows 10/Windows 11 (64-bit) 5.Quark Cloud Disk Download Link: https://pan.quark.cn/s/e50642f3665c Access Quark on mobile to get 1TB of free space Download after transferring the link content to avoid data loss; please avoid network decompression operations! Software IntroductionProteus is a … Read more

Proteus 8.15 Download and Installation Guide

Proteus 8.15 Download and Installation Guide

Software Download 1. Software Name:Proteus 2. Software Version: 8.153. Software Size: 633 MB4. Installation Requirements: Windows 7/Windows 10/Windows 11 (64-bit operating system) 5.Quark Cloud Disk Download Link: https://pan.quark.cn/s/ccf474adfa65 Access Quark on mobile to get 1TB of free space Save first before downloading to avoid losing resources, do not extract online directly! Software IntroductionProteus is a … Read more

Overview: Common PCB Hardware Interface Design Requirements!

Overview: Common PCB Hardware Interface Design Requirements!

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 to PCB Circuit Board Design: Basic Learning Notes

Introduction to PCB Circuit Board Design: Basic Learning Notes

1: Drawing Arduino Circuit Boards (Schematic Library, PCB Library, Schematic, PCB Drawing) 1. Drawing Schematic Library (Use existing libraries, or create your own) [SCH Library] Here is an example Add sub-file: Select -> Tools -> New Component Method 1: Draw one by one Below are some examples and effect images ATMEGA328P-AU CH340G LM358 USB-B PT … Read more

Understanding PCB Mark Points

Understanding PCB Mark Points

1. What is a Reference Point (Mark Point)? Mark point is also known as a reference point or optical positioning point, which is used as a positioning point by pick-and-place machines. Since PCBs provide a common measurable point for all steps in the assembly process during mass production, every device used in assembly can accurately … Read more

STM32F4 Core Board High-Speed Transmission Testing Notes

STM32F4 Core Board High-Speed Transmission Testing Notes

1. Determine the Plan and Purpose Hello everyone, today the miniaturized development board has arrived, and we are starting the arrival inspection task. The requirements are as follows: [Notes] STM32F4 + FT232H High-Speed Acquisition Development Board Design Draft Objective: STM32F4 Development Board 01. High-speed transmission testing, and reliable verification; 02. ADS1220 driver verification and debugging; … Read more