240-030-1-21SPAP

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]

1 Introduction A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and whether th...[Details]

When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]

Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]

There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]

As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]

For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]

1 Introduction Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]

MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]

0 Introduction With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]

Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]

1 Introduction There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]

Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]

1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]