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There are two ways to use LED light sources. One is to use traditional low-power LEDs as a combination, which usually has hundreds or even hundreds of LEDs, and the power supply design is complex. The...[Details]

Bridge rectifier circuit with positive and negative output voltage In addition to obtaining full-wave output, the bridge rectifier circuit can also easily obtain positive and negative output vol...[Details]

A few phones, including Pixel and Essential, have already been upgraded to Android 10. In addition to many new features and functions, including gestures, foreign media have also found some interesti...[Details]

Reason for writing: Today I took over a project developed with the stm32f100xx chip. Previously, I used stm8s and stm32f103xx chips. Because I did two developments based on someone else's project cod...[Details]

Recently, Zhuhai Xingyun Intelligent Technology Co., Ltd. (hereinafter referred to as "Xingyun Intelligent") announced that it has completed an angel round of financing of hundreds of millions of yua...[Details]

According to the news from Huangshan New Town, the Tengda Microelectronics chip packaging and testing project has completed the renovation of the factory and is expected to be officially put into pro...[Details]

Introduction: This article uses the PIC16F877A microcontroller to implement the HT1621 LCD display control. The hardware circuit has few hardware, small size, simple structure, high stability, and ca...[Details]

Interrupt: An interrupt is an operation that causes the CPU to stop executing a program and switch to processing special events. These events that cause interrupts are called interrupt sources. They ...[Details]

The International Energy Agency (IEA) has released the Global EV Outlook 2022 report, which identifies and analyzes the latest developments in electric vehicles around the world. The re...[Details]

When the electromagnetic flowmeter fails, it can be detected from the following four aspects: 3.1 Measurement of contact resistance between electrode and medium         Measuring the contact resist...[Details]

International Energy Network learned that on March 22, China Huadian Group Co., Ltd. released the first batch of inverter framework bidding announcement for 2024. The project scale is 13GW. Th...[Details]

1. Function: To measure the temperature. When the temperature reaches or exceeds the set temperature, the buzzer will sound an alarm. 2. Performance indicators: Temperature range: -40℃～300℃, resoluti...[Details]

0 Introduction The theory and design method of analog filters based on Laplace transform have been developed quite maturely, and there are several typical filters for people to choose ...[Details]

    BootLoader is usually called "system boot loader" and is the first program code executed after the system is powered on or reset . The main task of this program is to initialize the hardware devi...[Details]

New energy vehicle pre-charging circuit is a circuit used in electric vehicles and hybrid vehicles, which is mainly used to fully charge the battery before the vehicle starts. This circuit can impr...[Details]