D38999/27NH21ZD

　　In LED design, ripple exists both theoretically and practically. There are five common ways to suppress or reduce it: 　　 Increase inductance and output capacitor filtering 　　According to the formu...[Details]

JD6621 protocol board with AC-DC PWM two connection methods: 1. Using the 431 benchmark inside the JD6621 chip: - VBUS/GND connects to the positive and negative terminals of the synchrono...[Details]

More and more people tend to think that new energy vehicles will become the next trend of automobiles. With the development and progress of society, the problem of environmental protection is becomin...[Details]

       With OPPO and TCL showing off concept devices, rollable displays could be the next smartphone form factor trend after folding. 　　LG already has a rollable TV in its high-end Signature series t...[Details]

This morning, Chang Cheng, Vice President of Lenovo Group and General Manager of Lenovo Mobile Business China, released a poster with a one-day countdown to the Lenovo Z6 Youth Edition launch, reveal...[Details]

This article aims to give you an understanding of the basic concepts of digital audio and the terminology associated with it. Amplitude and frequency The two most important aspects of ana...[Details]

environment: Host: XP Development environment: MDK4.23 MCU:STM32F103CBT6 illustrate: Collect AD through pins PA1 and PA2. Collect AD 10 times for each channel. source code: #include "ad_drive...[Details]

Schematic diagram of PFC circuit using TOPSwitch with pre-compensation Figure Schematic of PFC circuit with TOPSwitch pre-compensation application ...[Details]

On March 29, 2018, Neusoft Carrier disclosed the "Announcement on the Transfer of Equity in the Affiliated Company Antino", proposing to transfer the company's 49% equity in Shanghai Antino Technolog...[Details]

OFweek Cup · OFweek 2023 China Robot Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]

1. Preparation 1. Download the compilation tool keil c51 2. Download the board support package (BSP) provided by N76E003, which can be downloaded from nuvoton 2. Development Environment Constructio...[Details]

This experiment was simulated using Proteus software. Experimental devices: 20 8X8LED dot matrix display screens, 10 74LS164 shift registers, 10 74LS273 data latches, 2 74LS138 decoders, and 1 PIC1...[Details]

There is a hard fault status register (HFSR) in the NVIC, which indicates the cause of the hard fault. If it is not caused by vector fetch, the hard fault service routine must check other fault statu...[Details]

Jiwei.com reported on November 5 that Huawei Pollen Club published an article yesterday to answer the 8 most concerned questions about EMUI11 among users. Let's take a look. 1. Huawei Mate40 is kno...[Details]

Last time, I talked about learning UBOOT code, but before reading it, you must first know the programming resources of the target machine. The resources here refer to the resources provided by S3C4...[Details]