2200DGG1504F2GA

1 Introduction 　　Multi-channel output switching power supplies are widely used in various complex low-power electronic systems. As for multi-channel outputs, usually only one channel with low outpu...[Details]

      Security researchers have discovered multiple critical security vulnerabilities in Samsung's pre-installed Android apps that, if successfully exploited, could allow hackers to access personal d...[Details]

Abstract: By using fiber-optic sensors to measure pipe wall thickness, gas pipeline workers can track and monitor the rate of pipeline corrosion. Connecting the sensors to network control instrumen...[Details]

There is not much time left for Chinese car chips.   "No automakers have actually taken action, they are just shouting."   At the 2022 China Electric Vehicle Hundred People Forum, Miao Wei, deputy di...[Details]

I saw the following code when looking at the lowlevel_init.S file of U-BOOT: lowlevel_init: ldr r0, =SMRDATA ldr r1, _TEXT_BASE sub r0, r0, r1 ldr r1, =BWSCON add r2, r0, #13*4 0: ldr r3, , #4...[Details]

　　Considering the comprehensive current injection efficiency, radiative luminescence quantum efficiency, chip external light extraction efficiency, etc., only about 30-40% of the input electrical ene...[Details]

      According to South Korean media TheElec, Samsung Electro-Mechanics announced on October 15 that it would terminate its flexible printed circuit board (RFPCB) business. Previously, the company h...[Details]

This application brief describes the two topologies used to bias optical laser drivers (open loop and closed loop) and demonstrates examples using the DS1847 digital potentiometer and the MAX3273 lase...[Details]

Programming environment used: MPLAB X IDE V3.40 MCU: p33FJ64GS606 Emulator: pickit3 Problem: Breakpoints cannot be resolved to valid program memory addresses, and simulation cannot set breakpoi...[Details]

             I have been working at Hongke for 2 years. This is my first time writing a blog. I always felt that I didn’t have enough experience and was worried that some of the language was not very...[Details]

STC15w4k58s4 chip 4 serial ports simultaneous sending and receiving routine The microcontroller source program is as follows: #include "intrins.H" #include "uart.H" #define uchar unsigned char #de...[Details]

Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are primary coil, secondary coil and iron core (magnetic core). In electrical ...[Details]

On April 11, at the 2023 Alibaba Cloud Summit, Cai Yinghua, chief commercial officer of Alibaba Cloud Intelligence, said that the rapid development of computing power has made digitalization a certai...[Details]

Xpeng Motors has made a solemn statement regarding Tesla's accusation that former employee and current Xpeng Motors employee Cao Guangzhi stole Autopilot source code. Xpeng Motors said in a statement...[Details]

At the beginning of 2024, price competition in the automotive market has become increasingly fierce. Many brands have launched price reduction strategies, and the degree of "involution" among autom...[Details]