Understanding Proximity Sensors: A Comprehensive Guide

Understanding Proximity Sensors: A Comprehensive Guide

Source: Sensor Technology Author: Faraday Proximity sensors are widely used in various automated production lines, mechatronic equipment, and industries such as petroleum, chemicals, military, and scientific research. So, what is a proximity sensor? Proximity Sensor A proximity sensor refers to a type of sensor that detects objects without contact, replacing limit switches and other contact … Read more

DSP Chip Application Case Analysis

DSP Chip Application Case Analysis

Introduction Statement To deepen the reform of graduate courses, optimize course content, improve teaching methods, and establish a graduate course system that meets the needs of economic and social development, aligns with the goals of cultivating outstanding talents, and reflects the characteristics of Hebei University of Technology, the school has always adhered to the educational … Read more

Understanding Semiconductor Knowledge

Understanding Semiconductor Knowledge

Source of the article: Complete Guide to Semiconductors Original Author: Infrared Classroom This article introduces the origin of semiconductors, what semiconductors are, and the classification of semiconductors. 1. The Origin of Semiconductors In January 1946, a semiconductor research group was officially established at Bell Labs in the United States, located across the Pacific. The group … Read more

How to Automatically Convert Schematics to PCB Layouts

How to Automatically Convert Schematics to PCB Layouts

The development of modern electronic industry is changing rapidly, with large-scale and ultra-large-scale integrated circuits becoming increasingly complex. The traditional method of manually designing and manufacturing circuit boards can no longer meet production needs and is prone to errors. Here, I will introduce how to automatically convert schematics into PCB layouts. By relying on the … Read more

Common Mistakes in PCB Design: How Many Have You Made?

Common Mistakes in PCB Design: How Many Have You Made?

In the process of hardware circuit design, mistakes are inevitable. Have you made any rookie errors? The comment section is open for you. Below are the five most common design issues in PCB design along with their respective countermeasures. 01 Pin Errors Linear voltage regulators are cheaper than switching power supplies but have lower energy … Read more

Differences Between PCB Layers

Differences Between PCB Layers

When designing a PCB, I found that many people, especially beginners, do not have a clear understanding of the layers in a PCB. Therefore, today let’s take a look at the differences between the various layers when using the software Altium Designer to create a board. 1. Signal Layer The signal layer is divided into … Read more

Introduction to PCB Material Basics

1. Introduction to PCB Materials (1) Concept, Function, and Background of Printed Circuit Boards 1. The English term for printed circuit board: Printed Circuit Board 2. The abbreviation for printed circuit board: PCB 3. The main functions of printed circuit boards: Supporting circuit components and interconnecting circuit components, namely the two main roles of support … Read more

Capturing Current Changes of Light Bulb Using Phyphox and ESP32

Capturing Current Changes of Light Bulb Using Phyphox and ESP32

Figure 1 Experimental Scene Recently, the author has been using Phyphox and ESP32 to capture the current changes when a light bulb is turned on. However, the current change at the moment the light bulb is turned on is quite rapid, making it difficult to draw an ideal current change graph. WeChat Official Account “Physics … Read more

Computer Major Demystified: EE, CE, CS, SE, CIS, MIS, IT Explained

In this digital age, computer technology has become indispensable in every aspect of our lives. Whether it’s smartphones, smart homes, self-driving cars, or artificial intelligence, computer technology plays a crucial role. So, what are the divisions within computer majors? What do EE, CE, CS, SE, CIS, MIS, and IT stand for? How should students choose … Read more

Explaining Why Pull-Up Resistors Are Added to I2C Signal Lines

Explaining Why Pull-Up Resistors Are Added to I2C Signal Lines

I2C is a two-wire serial communication bus, consisting of an SCL signal and an SDA signal. SCL is the clock signal sent from the master device, while SDA is the data signal, which is bidirectional, allowing devices to send and receive data through the SDA signal. When designing the I2C signal circuit, we add a … Read more