74000Y-21D-11SN

In the past few days, the Chinese display panel giant BOE has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content. ...[Details]

Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]

introduction STM32 has many registers, which are difficult to remember, so the official packaged two sets of library functions. One is the standard library, but the official has not updated it on F7,...[Details]

1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]

As many companies listed with the concept of touch screen begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[Details]

I slightly changed the lyrics of Yu Quan's song "Running", which seems to be a reflection of the current state of Huawei Cloud . At the annual Huawei Analyst Conference held on April 17, Zh...[Details]

1. FSMC Brief           FSMC, the Flexible Static Storage Controller, is capable of interfacing with synchronous or asynchronous memories and 16-bit PC memory cards. The FSMC interface of STM32 s...[Details]

I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]

The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a combination...[Details]

STM32 ADC multi-channel conversion   Description: Use ADC to continuously collect 11 analog signals and transfer them to memory through DMA. ADC is configured to scan and continuously convert mode,...[Details]

Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h   #define PORTLEN P0   sbit bit_select = P2^0; sbit seg_select = P2^1;   unsigned char src = {0x3f,0x06,0...[Details]

Getting to the bottom of blockchain Since last year, blockchain has become the hottest word in both the financial and non-financial circles. Some people use it as a gimmick to engage in va...[Details]

Mixed reality (augmented and virtual reality) is the next computing frontier after the PC in the 1970s, the web in the 1990s, and mobile platforms in the 21st century. MR is the most unique...[Details]

For complex calculations, the speed of the microcontroller is too slow. The best way is to manually calculate all the results in advance, store them in ROM in sequence, and then directly check the re...[Details]

Simple programming question for single-chip microcomputers: write a 10-digit decimal addition subroutine (decimal numbers are stored in compressed BCD code) Input: addend: 24H-20H, the lower address ...[Details]