I wrote a piece of code in C#: System.IO.File.Delete("mydb.sdf"); string connString = "Data source=mydb.sdf"; SqlCeEngine engine = new SqlCeEngine(connString); engine.CreateDatabase(); string rdaOleDb...
[i=s] This post was last edited by Yizhucao on 2018-3-9 15:26 [/i] I have made many digital screen displays. Sampling is very important, but I see that the digital displays made by others always have ...
[size=12px][table=98%] [tr][td]Please design a rock-paper-scissors game for me based on arm. I really have no idea:Mad:[color=#333333][font=arial, 宋体, sans-serif,]Requirements: 1. Record the opponent ...
#define DELTA488// Target DCO = DELTA*(4096) ~2MHzvoid Set_DCO (void)// Set DCO to selected frequency
//------------------------------------------------------------------------------
{unsigned int Com...
There is an existing mobile phone development project, requiring an experienced mobile phone development team to participate. If interested, please send an email to: project911@163.com...
Hello, can you please give me your contact information? I am a newbie and I have some problems with the program I wrote. I would like to ask you to help me. Is that ok?The following program is a progr...
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]