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Introduction: This article is a key debounce program I wrote in C51 language. You will definitely ask why debounce is needed. At this point, I want to explain that there are several ways to debounce....[Details]

　　The LTC3219 is an inductorless, low noise, high efficiency LED driver that provides nine independently configurable current sources for the main, sub and RGB display/display devices, and can perfor...[Details]

Watchdog principle The watchdog is a timer in principle. The timer counts pulses. When the timer overflows, a reset signal is generated to reset the entire system. The function of the watchdog is to ...[Details]

     News on the evening of March 12th, today Nubia released the Red Magic 5G mobile phone, priced from 3,799 yuan, and will be first sold on March 19th at the JD flagship store and Nubia's official ...[Details]

Although they started in different industries and were established at different times, they all experienced major turning points in the past one or two years, and have been competing and cooperating ...[Details]

introduction In portable applications, there is an urgent need for batteries with high capacity, small size and light weight. At present, lithium batteries have replaced nickel-cadmium and nickel-met...[Details]

Hydraulic servo control has many advantages, which makes it widely used. But there are also some disadvantages, which limit its application. 1. Advantages of hydraulic servo control ...[Details]

With the popularization of computer applications, the requirements for portable input devices are getting higher and higher. People hope to record the original written content with electronic devic...[Details]

Apple has quietly launched the new AirPods headphones on its official shelves. The appearance has not changed much from the previous generation. It has a built-in Apple H1 chip and can be used for up...[Details]

　　The signal source of traditional frequency sweepers mostly uses an oscillator composed of LC circuits, and a large number of discrete components are used to realize various functions. The display p...[Details]

Currently, transporting damaged and defective lithium-ion car batteries is difficult because legislation requires them to be placed in explosion-proof boxes, each of which costs tens of thousands of ...[Details]

1. Characteristics of gas piston device Accurate standard volume value: The standard volume is only related to the distance the piston descends and the diameter of the cylinder, and there are fewer ...[Details]

In the power system, DC power supply is used as power supply for relay protection, automatic devices, control operation circuits, lighting and audio signals, and emergency lighting. It is an impor...[Details]

After the R16 version was frozen in June 2018, the complete version R16 that can fully reflect the three major features of 5G will be frozen in March 2020. The R17 version, which is expected to be fi...[Details]

Staff debug the energy storage equipment. Xiaojiawan Energy Storage Power Station is about to achieve full capacity grid connection. On the 21st, the reporter learned from the construction site of the...[Details]