-
At present, tape measures, steel tape measures, GPS, total stations and other instruments are widely used in field archaeology to measure length, area, volume, etc., and total stations, GPS-RTK, etc. ...[Details]
-
As an audio amplifier, s8550 is used in electronic products such as radio recorders and electric toys. Transistor 8550 is a commonly used ordinary transistor. It is a low voltage, high current, sma...[Details]
-
Goals: Make a dot matrix screen display system with SMS receiving function, which is used for publishing public information in some public places such as our school and company. This system can r...[Details]
-
1 Introduction
With the continuous increase in the number of motor vehicles in society, especially in cities, the traffic control of vehicles is becoming more and more important in the daily o...[Details]
-
SEMI said sales of semiconductor manufacturing equipment will grow 6% to $63.2 billion in 2020, from $59.6 billion in 2019, and will continue to rise to $70 billion in 2021. The fab equipment segme...[Details]
-
The resolution bandwidth in a spectrum analyzer determines the frequency resolution of a frequency domain measurement and therefore how well it can separate adjacent frequencies. The result you see o...[Details]
-
Power frequency interference is widely present in various industrial sites, and its main sources include power feeders, lighting equipment, engines, and various electronic instruments and equipment....[Details]
-
On September 1, the National Energy Large-Scale Energy Storage Technology Equipment and Application R&D Center (hereinafter referred to as the Energy Storage R&D Center), established by Hunan Universi...[Details]
-
The Fluke 1630 uses clamp-on ground resistance testing technology, which greatly simplifies the ground loop testing process and allows for non-intrusive leakage current measurements. The Fluke 1630 i...[Details]
-
Musk doesn't like Apple, but he has to take Apple seriously. During the darkest days of the Model 3 project, I approached Tim Cook to discuss the possibility of Apple acquiring Tesla (for one-ten...[Details]
-
A general passive harmonic filter uses an LC trap circuit, which is connected in parallel on the line to provide a low impedance path for the harmonic current, as shown in Figure 1.
Figure 1 Tr...[Details]
-
1. Principle of resistive touch screen 2. Resistive touch screen equivalent circuit 2.1 Touch screen idle state When the touch screen is not pressed, the equivalent circuit is shown in Figure ...[Details]
-
Recently, the official website of the Beijing Regulatory Bureau of the China Securities Regulatory Commission disclosed that Cambrian Technologies Co., Ltd. had signed an A-share listing guidance agr...[Details]
-
#include "stm32f10x.h"
//#include "stm32f10x_lib.h"
void Delay(unsigned int x);
void UART_Init(void);
int main(void)
{
while (1)
{
Delay(300000);
...[Details]
-
Shunhe Hui Autonomous District organized an expert demonstration meeting of Henan All-vanadium Liquid Flow Industry Research Institute. In order to implement the innovation-driven strategy and enhance...[Details]
Integrated technical exchanges
京公网安备 11010802033920号
EEWORLD