1939X252M

How to use printf to display information on the serial port? There are two ways. Because in keil C51, the printf function calls putchar to transfer data, and putchar should first determine whether TI...[Details]

Steps (algorithm) of system clock CCO output: 1. Enable a clock (the clock to be used as the clock source for CCO output). 2. Switch the clock (the default clock at startup is HSI, i.e. internal ...[Details]

Learning a microcontroller is actually learning how to operate registers. The 51 microcontroller uses sfr to define registers with special functions. For example: sfr P1 = 0x90; If you want to use bi...[Details]

#include    #include  #asm    .equ __lcd_port=0x18 ;PORTB #endasm #include  #define uchar unsigned char #define uint unsigned int fly ge=0,shi=0; uchar key_value=0;  void lay_ms(uint ms) { uint x,y; ...[Details]

The Chinese manual of stm8s states that TIM2 16-bit upward counting is wrong. The stm8s timing is easy to use. First, set the clock frequency of the timer. Once the clock period T of the timer is k...[Details]

The South Korean government said on the 28th that it would join the sanctions against Russia. Currently, South Korean companies must obtain prior approval from the US Department of Commerce to export...[Details]

As a powerful tool to break through the shackles of battery energy density, the industrialization process of silicon-based negative electrode materials is accelerating. So far, many car companies i...[Details]

In the increasingly calm market environment of autonomous driving, mass production capability has become a "threshold" to test whether each company has real technical strength. For start-ups, it is t...[Details]

Voltage spikes - an unavoidable danger As power distribution systems and loads become more complex, the possibility of transient overvoltages has greatly increased. Motors, capacitors, po...[Details]

Abstract: This paper summarizes 9 types of phase-shifted full-bridge ZVZCS DC/DC converters, briefly introduces the working principles of various circuit topologies, and compares their advantages a...[Details]

For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]

Code Memory Type Description Program memory, data with code as prefix is ​​stored in program memory, that is, ROM, these variables are read-only and are used as table queries   Functions of functio...[Details]

About the basic structure of LED light strip switching power supply The LED light bar switching power supply generally consists of LED diodes, IGBTs and MOSFETs. It uses a circuit to control the swit...[Details]

　　Atomic fluorescence spectrometry (AFS) is a new type of spectral analysis technology proposed and developed in the mid-1960s. It is a spectral analysis technology between atomic emission spectrometr...[Details]

Like humans, batteries prefer to operate at room temperature, and thermal management systems ensure this while maximizing efficiency. When GM first unveiled the 2025 Cadillac Escalade IQ...[Details]