1.Experimental tasksAs shown in the figure below, P1.0 - P1.3 of the microcontroller are connected to four light-emitting diodes L1 - L4 , and P0.4 - P0.7 are connected to four switches K1 - K4 . The ...
Reprinted from: deyisupport[align=left]Author: Tim Goodrow[/align][align=left][img]http://www.deyisupport.com/resized-image.ashx/__size/550x0/__key/communityserver-blogs-components-weblogfiles/00-00-0...
There is a chip shortage now. Are there any domestic chips that can replace this buck-boost chip from Lingte? LTC1517ES5-3.3, SOT-23 package, 2-4.4V can be buck-boosted to 3.3V, so that the capacity o...
[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]tiankai001[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and...
[i=s] This post was last edited by ylyfxzsx on 2018-9-26 15:43 [/i] Since early LCD screens did not have the advanced LED process technology that we have now, early LCD screens all used a fluorescent ...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[Details]