I am modifying a shell written by someone else. I want to simply replace a few images. So I put the resource images into the reg folder, and then modify the registry file as follows: [HKEY_CURRENT_USE...
The hardware environment of the whole simulation system consists of 5 CC2530 ZigBee modules of r11 and one WiFi module. The 5 ZigBee adopts the network topology of Mesh network, defining a coordinator...
I use VS.net2005 to develop PDA programs. I want to use a database. I read on the Internet that I should use sqlserver CE or SqlServer2005 Mobile Edition. I installed these software on my computer, bu...
I have a question for you guys: I defined a character array: unsigned char dest[10]; and I also defined an array: char buffer[10]="woaiwo"; How do I assign buffer[10] to dest[10] in an MFC environment...
[i=s]This post was last edited by Digital Leaf on 2015-5-11 09:43[/i] :lol:lol[url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=457132&fromuid=427606]Activity link: Carry out low-power desi...
Dear great engineers, I have seen many mobile phones with voice control functions, but they are only limited to calling numbers. Can we make a full voice control mobile phone, so that all functions ca...
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]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]