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Q: What is the SYSTick timer? SysTick is a 24-bit countdown timer. When it reaches 0, it will automatically reload the initial value of the timer from the RELOAD register. As long as the enable bit i...[Details]

Switching power supplies are widely used due to their high efficiency and strong voltage adaptability. This article introduces a pocket-sized switching power charger with a retractable plug, which is ...[Details]

This paper takes the Freescale Smart Car Competition as the background, uses the 16-bit microcontroller MC9S12XS128 produced by Freescale as the control core, and makes a camera car that can patrol t...[Details]

　　For the design of electromagnetic interference, we mainly carry out design processing from the hardware and software aspects. The following is an introduction to the processing of electromagnetic co...[Details]

Apple Inc. had its strongest quarter yet for iPhone sales in India, a sign that the Cupertino, California-based company is finally making headway in the world’s fastest-growing smartphone market. Sal...[Details]

Scrolling display 0~7 source code 1 #include reg52.h 2 #define uchar unsigned char 3 #define uint unsigned int 4 uchar code table ={0xc0,0xf9,0xa4,0xb0,0x99,0x92...[Details]

Preface Since the beginning of the 21st century, the development of science and technology has been difficult to describe as changing with each passing day. New processes, new materials, and new manu...[Details]

const unsigned char code auchCRCHi = { 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x...[Details]

      As we all know, Huawei is a multinational high-tech company that mainly sells communication equipment and consumer electronics including smartphones. It has many products. Huawei 5G may be fami...[Details]

The energy revolution and the automobile revolution will develop in synergy. With the continuous implementation of the "dual carbon" policy, the energy-side transformation will make electric vehicles...[Details]

　Given the times we live in today, portability of embedded systems is a critical design consideration. Portable systems are often battery powered, and battery life depends on the system's power con...[Details]

Regarding the issue of changing the program mentioned last time, //Read ADXL345 registers //addr: register address //Return value: the value read u8 ADXL345_RD_Reg(u8 addr) { u8 temp=0;   ...[Details]

1. The third experiment Last two times we did two experiments, both of which used the P1.0 pin to turn on the light. We can imagine: since P1.0 can turn on the light, can other pins do the same? Take...[Details]

Preface With the development of integrated functions of single-chip microcomputers, their application fields have gradually expanded from traditional single control processing to control proce...[Details]

Today, let us walk into the production workshop of CATL and see how this battery cell, which is being fought over by Volkswagen, BMW and Mercedes-Benz, is manufactured. A battery cell is...[Details]