[i=s] This post was last edited by Tianyahaijiaosr on 2015-10-27 22:18 [/i] I want to convert the 24V DC obtained by the switching power supply into a 5V voltage that can be used by the microcontrolle...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:56[/i] [b][color=#000000][font=宋体][size=10.5pt]Huang Zhiwei from University of South China[/size][/font] [font=宋体][size=10.5pt]There are stil...
Abstract: A new digital tuning system composed of DDS+ dual PLL is studied : A loop generates the clock signal required by DDS , and B loop generates high-frequency output. B loop makes the tuner outp...
The DC power supply system is mainly responsible for supplying power to control equipment, protection equipment, etc. in the process of power production. Insulation degradation and DC bus grounding ar...
When driving a 1602 display, why can at89s52 display normally with the same program and the same peripheral circuit, but stc12c5a60s2 cannot? My data port P0 rs rw e is p2.3~2.5 respectively. Please h...
[hide]Author: Chen Dengming The rapid development of LED lighting commercialization is expected to increase the market demand for white LED phosphors. With the continuous investment in phosphor resear...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]