240-078-2-21SPA-R4N-.250GN

　　introduction 　　Infrared remote control technology has been widely used in industrial control, instrumentation, home appliances and other fields due to its stable performance, simple structure and ...[Details]

Today's mobile PC industry, like the bulls and bears in the stock market, is at a crossroads. In the industry's view, the future development of the industry has been driven by consumer demand, and ...[Details]

　　1 Introduction 　　Visual inspection and positioning of surface mount components are key factors affecting the overall performance of the placement machine. Its main tasks include acquiring images of...[Details]

Link address Startup Process The sample code is as follows: start.S file .globl _start _start: /*Hardware related settings*/ ldr r0,=0x70000000 ...[Details]

According to Bloomberg, the global chip shortage has spread to the semiconductor equipment sector. Kulicke and Soffa Industries, a semiconductor packaging and testing equipment supplier, warned that ...[Details]

Not long ago, GigaDevice released a plan for the private placement of A-shares. The company plans to privately place no more than 64,224,315 shares (including the principal number) to no more than 10...[Details]

Buy a magnetoelectric low-voltage DC voltmeter on the market, with unlimited range. Find a potentiometer RP with a large resistance (about 500kΩ) and connect it in series with the voltmeter. At t...[Details]

Note: This article and the following about the transplantation of uboot refer to "Embedded Linux Learning Notes (Based on S5PV210, TQ210)" No matter what version of uboot, the entry function ENTRY(_s...[Details]

Hitachi's 300kW photovoltaic inverter "HIVERTER-NP203i-300" supporting medium-sized photovoltaic power generation systems was launched on July 1, 2015. Its feature is that it has a built-in boost...[Details]

The circuit in this design generates a zero-crossing pulse of the AC mains and provides electrical isolation. The falling edge of the output pulse occurs about 200μs before the zero-crossing point....[Details]

With the rapid development of science and technology, some corresponding precision instruments have also come out. These instruments usually need to set accurate clocks to ensure the correct switchin...[Details]

#include reg51.h void delay(unsigned int i); int main(void) using 0 { int i=1; EA=1; EX0=1; IT0=1; P0=~0; while(1) { for(;i =128;i*=2) { P0&=~i; delay(500); P0|=i; } i=1; } while...[Details]

The inverter circuit structure is mainly composed of a rectifier circuit, a current limiting circuit, a filter circuit, a braking circuit, an inverter circuit and a detection sampling circuit. ...[Details]

After the problems between Russia and Ukraine arose, the United States and other Western countries imposed sanctions on Russia, but many Chinese companies still held on in Russia, including Huawei. I...[Details]

High-voltage solid-state soft start cabinet is a device used for high-voltage motor starting. It controls the on and off of thyristors to achieve soft starting and soft stopping of motors, thereby ...[Details]