Data shows that 78% of hardware failures are caused by poor PCB welding. I agree that when encountering hardware failures, engineers are willing to spend a lot of time and energy on sample debugging a...
The AD7989-1 and AD7989-5 PulSAR analog-to-digital converters are the latest members of Analog Devices’ PulSAR portfolio. [/size][/font][/color][/p][p=16, null, left][color=rgb(0, 0, 0)][font=Arial, H...
[align=left][size=4] [/size][/align][align=left][size=4]{:1_123:}[font=微软雅黑][color=#000000]Our slogan is: [b] Staying at home may be better than being there! [/b] This March, EEworld will join hands w...
Please help, experts. The market price of AT89C51ED2 has increased by nearly 50%. Are there any alternative models of this chip from different manufacturers?...
[i=s]This post was last edited by dcexpert on 2019-7-14 12:33[/i]This content is originally created by dcexpert , a user of EEWORLD forum . If you want to reprint or use it for commercial purposes, yo...
[size=5]CAN Bus (Controller Area Network) originated in the 1980s and was released by the International Organization for Standardization (ISO). It is a transmission bus that can operate normally even ...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
PCB Design
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