KM719N

MAX7219 is a serial input/output common cathode digital tube display driver chip produced by MAXIM. One MAX7219 can drive 8 7-segment (8 segments including decimal point) digital LEDs, LED bar graph ...[Details]

When the waveform is captured, many engineers think that the waveform is clear enough if it occupies 2 grids on the screen, and there is no need to adjust the waveform to cover the entire screen grid...[Details]

On July 23, BOE issued an announcement stating that the company, together with Beijing Electronic Control, North Huachuang and Beijing Electronics City Investment and Development Group Co., Ltd. (her...[Details]

Avionics integration is a technology that integrates information and functions of dense avionics subsystems under harsh space constraints. The subsystem networking interface standards represented by M...[Details]

The use of DAC is relatively simple, just pay attention to two points here: 1. From the understanding of register principle, we know that DAC output is directly controlled by DORx register, but we ...[Details]

The National Space Science Center of the Chinese Academy of Sciences organized a summary and review meeting for the in-orbit test experiment of my country's first space gravitational wave detection t...[Details]

1. Development preparation (1) One YF-B1 flow sensor (2) One 51 development board   2. Basic knowledge (1) The YF-B1 flow sensor has only three wires. They are the data line, VCC, and GND. The dat...[Details]

The GEM IPO application of Shenzhen Chuangyitong Technology Co., Ltd. (referred to as "Chuangyitong") has been accepted. According to the information, Chuangyitong is a national high-tech enterpris...[Details]

      1. The generation of ideas       In recent years, the structural inclination of China's population has gradually emerged, especially in large and medium-sized cities, where the aging trend o...[Details]

0 Introduction At present, most audio signal processors are not only large in size but also expensive, and are difficult to be popularized in some special aspects. Embedded system analyzer...[Details]

      On September 28, according to media reports, a junior student named Xiao Zhang in Zhengzhou bought 11 Apple mobile phones in June this year. What he didn't expect was that three months later, A...[Details]

As digital signal rates and edges become faster and faster, signal integrity design, testing and analysis have brought huge challenges to product research and development involving digital circuits a...[Details]

Recently, an interesting phenomenon in the automotive industry is that many car companies will place special emphasis on their own smart cockpit functions at new car launches. For example, Baidu an...[Details]

For the safety of the instrument operator and the instrument, the instrument should work normally within the safe range to ensure the measurement waveform is accurate and the data is reliable. Please...[Details]

The power supply uses IGBT devices and single-ended forward circuits, and the operating frequency is 20kHz. The circuit principle is shown in Figure 1. The power supply has a constant current closed-...[Details]