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• Hardware Collection: 50 Common Circuit Diagrams

EEPROM LCD1602 Schematic Nixie Pipe max 485 Infrared switch Buzzer Decoder Shift register Stepper motor control Reset schema Download scheme Power module Temperature module Infrared Thermi...

2023-04-28Archive

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• What's in plane's legendary black box?

In past few days, crash of China Eastern Airlines passenger plane MU5735 has touched people's hearts. The key to finding out truth about accident lies in black box. Before we start, answer two questions: Why is black box orange? ...

2023-04-25Archive

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• When designing a power supply, how to consider choice of topology?

01 Summary Input voltage and output/input ratio are important considerations when choosing a topology. On fig. 1 shows relative applicable voltage ranges for commonly used isolated topologies. The choice of topology is also relate...

2023-04-25Archive

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• An article to understand "advantages" and "cons" of solid capacitors

The dielectric of liquid electrolytic capacitors is a liquid electrolyte. Liquid particles are very active at high temperature and create pressure inside condenser. Its boiling point is not very high, so it can explode. Solid cap...

2023-04-25Archive

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• Why is electricity divided into AC and DC?

Have you ever wondered why a mobile phone's charging plug is bigger than usual? In fact, strictly speaking, this "plug" is called a switching power adapter, and its purpose is to convert alternating current from mains to direc...

2023-04-23Archive

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• Basic knowledge and introduction to structure of electric heating tube

Use simple words to analyze and explain basic structure of an electric heating tube. Let's break down basic structure of an electric heating tube into a few small tasks. 1. What is heating element of electric heating tube? Th...

2023-04-23Archive

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• What is a delay scheme? Explanation of 6 Kinds of Delay Circuit Principles

As we all know, when it comes to latency, a lot of people think about using software components like timers and like. Today we will talk about how to implement timing in hardware, although it is not so accurate, but in some cases ...

2023-04-23Archive

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We call this radio "three coin radio" because we use three coins as anchors to connect different parts of radio, which makes our process extremely easy. In this radio, we used a special 10-transistor integrated circuit, which made...

2023-04-22Archive

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• You must learn drawing techniques and skills of 18 special circuit board routes.

Question 1. AD fabric serpentine method If you select Interactive Length Adjustment in Tool, you need to lay out wires first and then change them to a serpentine shape. Here you are using serpentine directly when wiring: first P-&...

2023-04-22Archive

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• In digital form? Imitation? Don't get confused by engineering design

In engineering design, from point of view of reference level, they are all same ground, and they must be connected together to obtain same reference potential. Ground separation is mainly in terms of wiring to reduce interference ...

2023-04-21Archive

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