I have a board that uses an SD card in SPI mode. I found that if the power is suddenly cut off, the SD card becomes read-only after restarting. What is the common reason?...
: Aiming at the transmission position servo system of packaging printing, a neural network adaptive . By utilizing the self-learning and adaptive characteristics of neurons, the rapid real-time contro...
[align=left][font=微软雅黑][size=4][March 28 live broadcast review and related resources summary][/size][/font][/align][align=left][font=微软雅黑][size=4] [/size][b][size=4]Live broadcast theme:[/size][/b][co...
Light-controlled thyristorAuthor: Unknown Source: Unknown Added Date: 2004-12-29 1138Photo-controlled thyristor, also known as GK type optical switch tube, is a photosensitive device.1. Structure of l...
As shown in the figure, there are two sets of power supplies on the secondary side of the transformer, both of which are 12V. Why is one set of secondary sides adding a resistor to the ground, while t...
[size=4]A DSP fixed-point arithmetic operation[/size] [size=4]1 Number calibration[/size] [size=4]In fixed-point DSP chips, fixed-point numbers are used for numerical operations, and the operands are ...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Today, automakers are integrating more and more complex electronic systems into cars. Allied Business Intelligence predicts that annual sales of the automotive semiconductor market will rise from $...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Any power transmission and distribution equipment and power-consuming devices cannot be pure resistive loads, so they must occupy a certain amount of reactive power. The existence of reactive curre...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]