239060132322L

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]

In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer 87LPC764 , and wa...[Details]

0 Introduction With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]

1 Introduction With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]

To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]

July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]

This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]

In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]

Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[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, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]

Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]

0 Introduction High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]

The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]

1. Introduction With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]