[i=s]This post was last edited by ddllxxrr on 2014-5-16 12:12[/i] I want to use STM32F429I-Discovery, GSM module and audio input and output to realize a mobile phone solution. 1. Explain the function ...
[i=s] This post was last edited by lyg2275 on 2019-4-26 14:57 [/i] I work in analog electronics. I wanted to learn programming, but I never had the time. I never used it after I bought it. It has all ...
I copied a program of Huawei switch to flash and changed the serial number inside. The file has automatic verification function, but it can't run. Is there any expert who can help me and give me some ...
I am doing a uDMA experiment: The following sentence always prompts that it is not defined: ui32Status=ROM_UARTIntStatus(UART1_BASE,1); It prompts that the ROM_UARTIntStatus function is not defined. C...
[i=s]This post was last edited by dontium on 2015-1-23 11:37[/i] 1. Task Design a sound positioning system. Paste a 500mm×350mm coordinate paper on a flat plate no larger than 1m2, and fix a sound rec...
[size=4]Combined with my own project experience, I would like to share with you what I need to pay attention to in the application of diodes. [/size] [size=4] [/size] [size=4]1. For diodes, never exce...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[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]
DIY/Open Source Hardware
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