The Golden Tax Project Launches the Tax Control Industry (Finance and Taxation) Our reporter Zhang Ran All signs indicate that the tax control cash register industry is rising rapidly. In October las...
Hey guys, I have a MONO AUDIO POWER AMPLIFIER chip, and I want to achieve the following at its output: it cannot be used when the headphone speaker is plugged in, but can be used when the headphone sp...
Let me give you an example. GPIO. stm32f10x_gpio.c and stm32f10x_gpio.hThis garbage library, not only does not cover the parameter options, but it is also incomplete. It only provides 3 of the 4 optio...
I developed a nandflash for data storage. However, nandflash can only be erased and written in pages. Some data needs to be erased and written repeatedly. What should the logic of this part of the ope...
There was a line in the middle on the first day and it was the same the next day. Is it a problem with the line or the LCD itself? I feel like the screen itself has a problem....
[align=center] [b]Collected electronic DIY [/b][/align] [align=right] [b]BY:ZH110 2008.1.25[/b][/align] [b] Play games by upgrading the firmware of mp3 players.[/b] [b] [url=http://www.rockbox.org/]ht...
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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]