After years of preparation, the launch of 3G mobile phones is on the agenda. The design of 3G TD-SCDMA and WCDMA mobile phones is complex, and the partitioning problem poses a challenge to existing ba...
When I update the text, the text sometimes flickers. Why? The text shows the time and is constantly updating. GetLocalTime(&time0); CString str; str.Format(_T("Year Month Day:%04d:%02d:%02dTime:%02d:%...
I designed a power supply and need an overcurrent protection circuit. Requirements: When the load is short-circuited, cut off the load. Output current <2A. Output voltage 0～９.９Ｖ [[i] This post was las...
What voltage regulator chips are generally used to obtain the reference voltage of a high-precision AD converter? The reference voltage I want is 2.5V...
SysCtlADCSpeedSet(SYSCTL_ADCSPEED_125KSPS);Should the sampling rates of ADC0 and ADC1 be set to 125KSPS? If the two modules use different sampling frequencies, how should they be written? . .If the vo...
Zero voltage switching power supply (ZVS) is a relatively advanced and mature technology in the current switching power supply technology. Because it is in a soft switching state, it can achieve highe...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
DSP and ARM Processors
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