Blogs, Semiconductor Insights & Component Knowledge

The Principle and Application of Reed Switch

1. The principle of reed switch2. Installation direction of the reed switch3. Characteristics and applications of reed switch1. The principle of reed switchA reed switch is an electrical switch operated by a magnetic field.The structure of a reed switch ...

2023-10-06370Basic knowledge

What are the losses of inductance?

The loss of inductors, to some extent, is a problem that we often encounter in our work. Let's talk about the specific losses of inductors, hoping to be helpful in building our knowledge system.There are two main types of losses in inductors:Coil loss: DC...

2023-10-05452Basic knowledge

The function, working principle, and parameters of magnetic beads

This article provides a detailed explanation of the function, working principle, parameters, and application of magnetic beads

2023-10-04861Basic knowledge

The principle, symbol and error of resistance

Initial resistance1. Basic principlesThe resistor is composed of three parts: the resistor body, the frame and the terminal (the resistor body and the frame of the solid resistor are combined into one), and it is only the resistor body that determines the r...

2023-10-031256Basic knowledge

Serial port, COM, UART, TTL, USB, RS-232, RS-485, I2C, SPI, CAN, 1-wire

2023-10-021166Industry

What is CAN bus? How to apply it？

1. What is CAN?2. Introduction to CAN bus2.1 CAN bus standard2.2 CAN physical layer2.3 CAN transceiver2.4 Differential signals2.5 CAN bus connector1. What is CAN?There are many ways to classify buses, such as external and internal bus...

2023-09-29312Industry

Optical heart rate measurement principle

IntroductionPhotoplethysmography PPGSo why can heart rate be measured by LED lights?Why do most sensors use green light?Time domain methodFrequency domain analysisIntroduction In this era where everything must be connected with "smartness", in ...

2023-09-28747Internet of Things

What is the specific protocol of QSPI?

What are the similarities and differences between PI and QSPI? What is the specific protocol of QSPI?

2023-09-271051Embedded

How to choose a chip for board-level power supply?

When people are doing board-level power supply design, they often have an inertial thinking:Either choose the power chip you have used before to build the circuit;Either directly choose some existing modules in the company or laboratory;But the power suppl...

2023-09-26673Industry

Working principle of bridge rectifier circuit

Explain in detail the composition, characteristics and working principle of the bridge rectifier circuit, as well as the working principles of inductor filtering and capacitor filtering compound filters.

2023-09-251006Industry

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