[i=s]This post was last edited by paulhyde on 2014-9-15 08:55[/i] The all-powerful netizen can even get the circuit diagram of Nokia mobile phones. Very good, very powerful, and it helps me broaden my...
I wrote the clock on the first 16 bits of the LCD, and the alarm on the last 16 bits of the LCD.
The clock has been set and can be debugged normally, but when I press the alarm button, that is, after ...
On May 25, 2009, Xinhua News Agency’s Oriental Outlook Weekly published an article titled “The Business War Driving Force Behind the Frequency Conversion Chaos” which shook the Chinese air-conditionin...
I'm a new user, thanks for browsing. I bought a TQ2440 development board based on S3C2440. I have some basic knowledge of programming and I want to get started with embedded development. Now I sincere...
I bought a tq2440 development board and made a development board based on it. The bootload and image I use now are all provided by tq2440. I use jlink to burn uboot into st39vf1601, and then start fro...
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[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]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[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]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[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]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]