@Tongjia
From Notes to Knowledge Hub
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Oct 2, 2025 路 2 min read 路 What Is USB Type-C? USB Type-C, often simply called Type-C, is a modern connector standard that has rapidly become the universal choice for electronic devices. Unlike older USB connectors such as USB-A, USB-B, or micro-USB, the Type-C connector is sm...
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Sep 21, 2025 路 5 min read 路 馃摑 Blog Outline: Introduction What are Transformers Core Principle: Electromagnetic Induction Structure of a Transformer How It Actually Work Types of Transformers 1. Introduction Transformers are everywhere in our modern world. From charging...
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Jul 30, 2025 路 4 min read 路 馃摑 Blog Outline: Introduction An explanation of how speakers work What Affects Speaker Sound Quality? What is the difference between speakers and microphones? 1. Introduction Whether you鈥檙e blasting music from your phone, watching movies on you...
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Jul 23, 2025 路 4 min read 路 When learning C programming, one of the first concepts you encounter is data types. They鈥檙e the foundation of how all programs work. They define the kind of data a variable can hold, how much memory it occupies, and what operations you can perform on...
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Jul 21, 2025 路 8 min read 路 I started self-learning about transistors and used Multisim to design a simple voltage amplification circuit.I'm using this document to record my learning process. It includes the following content: I found a typical circuit online and drew it in Mu...
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