Problem description: I used Huawei's WCDMA 3G module and made a dial-up software. I found that there were problems with connection and disconnection. Sometimes I couldn't connect after a long time, an...
Recently I want to understand the problem of LCD driver. I saw a LCD on the Internet. It is Innolux AT070TN90, 800X480, 16-bit color, LED backlight, digital driver chip RA8875 and LCD interface data o...
I would like to ask about the UART serial port address problem in S3C2440: the send buffer address of UART0 is 0X50000020, and the receive buffer address is 0X50000024. There is only a difference of 4...
This is my first time using MSP430F5438. In the application, I need to distinguish whether the reset type is a power-on reset or other reset (watchdog, external reset, etc.). Is there a register that ...
[i=s]This post was last edited by inkinessray on 2021-4-19 14:55[/i]I read some instructions online, which basically said that STM32 code can be used directly on GD, but I looked at the GD manual, and...
When testing the wifi, I was able to connect to the wireless AP and get the MAC address of the wireless AP. The confusion now is that I can't get the address assigned by the router. However, the Windo...
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]