-
On October 1, the military parade to celebrate the 70th anniversary of the National Day was held. Lei Jun, founder, chairman and CEO of Xiaomi Group, Dong Mingzhu, chairman of Gree Electric Appliance...[Details]
-
1 Introduction
In power electronics technology, the design of high-frequency switching power supply is mainly divided into two parts, one is the design of the circuit part, and the other is the des...[Details]
-
1 Most ports can withstand +5V voltage, but some cannot. 2 For details on which ones can withstand +5V voltage, please refer to the corresponding data sheet. For the STM32F103xC series, refer to th...[Details]
-
1. What is PID control?
PID controller is a common feedback loop component in industrial control applications, which consists of a proportional unit P, an integral unit I and a differential un...[Details]
-
Antenna parameters are quantities that describe antenna characteristics and can be measured experimentally. The measurement of antenna parameters (referred to as antenna measurement) is an important m...[Details]
-
(Image source: University of Tokyo) According to foreign media reports, engineers at the University of Tokyo in Japan are constantly exploring new ways to improve existing battery technology. Rec...[Details]
-
Friends who are engaged in power circuit design know that one of the important factors to consider when designing LED lighting power is the power-on pulse caused by the power-on moment . This requi...[Details]
-
0 Preface
FPGA (Field Programmable Gate Array), or field programmable gate array, is a large-scale programmable logic device that can replace all current microcomputer interface chips and realize...[Details]
-
Recently, SEMI, an industry association serving the global electronics manufacturing and design supply chain, announced that German automaker Volkswagen has joined SEMI. SEMI's membership will enable...[Details]
-
On the morning of March 2, at the site of the main transformer capacity expansion and distribution device renovation project of the 500 kV Huangdu substation in Shanghai, construction machinery and...[Details]
-
Hall sensors are usually used to measure DC current. Since AC clamp meters cannot use electromagnetic induction, the Hall sensors are placed as shown in the figure below. The magnetic flux generated ...[Details]
-
Even before the threat of terrorism became a major concern, many public and private organizations began installing video security systems in critical infrastructure. Video security provides the vis...[Details]
-
Many battery-powered handheld systems require digital signal processing, and when designing such products, power consumption must be a top priority.
Choosing a DSP that has all the necessary c...[Details]
-
ADC0809 is used to collect the voltage of the thermistor on the bridge, and the LED is driven according to the voltage change.
#include reg52.h
#define uint unsigned int
sbit a=P1^0;
sbit st=P1^1...[Details]
-
AC power control circuit is an important part of modern power system, which involves the control and regulation of AC power. In practical applications, there are many control methods for AC power c...[Details]