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0 Introduction Electrical courses represented by "Circuit Fundamentals" are core basic courses for mechanical, electronic, and automotive majors in higher vocational colleges. Due to the abst...[Details]

#include"sys.h" #include"EXTI.h" #include"led.h" int main(void) {  NVIC_Configuration();  Led_Init();  EXTI_KEY_Init();    while(1)  {     LED=1;  }     } void EXTI15_10_IRQHandler(void) {   if...[Details]

1. Review of the previous article In the previous article, we completed the function of switching between two tasks using PendSV. Let's continue with the idea. This time we completed the basic framew...[Details]

Since the chip shortage began at the end of 2020, the semiconductor super boom cycle has arrived. High-end GPUs, CPUs and high-performance computing application ASICs have driven the demand for advan...[Details]

1.Nor-Flash interface has many pins like RAM, and many address lines and data lines are separated. 2. Small capacity 1~32M  3. Reading and writing are very simple, but writing commands requires writi...[Details]

The metal detector circuit is shown in the figure. The detection coil forms an LC oscillation circuit. When the coil is close to the metal, eddy currents are generated in the metal body, causing the c...[Details]

After Tesla's sales returned to "rationality", the proportion of L2 smart connected vehicles declined significantly.   Based on the insurance data, Cyber ​​Auto calculated that the number of L2 intel...[Details]

When the central processing unit (CPU) is processing certain information, if an emergency suddenly occurs in the outside world, the CPU is requested to suspend the current work and handle the emergen...[Details]

0 Preface This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission function of m...[Details]

Here is a general method to check the problem of 8051 microcontroller board. First, check the power supply. Experienced people will do this. When I was looking for a job, an interviewer asked me th...[Details]

　　Industrial equipment that operates from three-phase AC often requires an auxiliary power stage that can provide stable low-voltage DC power to analog and digital circuits. Examples of such applicat...[Details]

According to three documents recently exposed by the Federal Communications Commission (FCC), DJI is planning to release a new first-person view (FPV) drone, and will provide matching goggles and rem...[Details]

#include STC89C5xRC.H   void delay() { int i, j; for(i = 0; i 15; i++) for(j = 0; j 15; j++) ; }   void disp_digit() { int d = 60; //number to be displayed unsigned char code DIG_CODE = {0...[Details]

According to a report on Taiwan’s Economic Daily website on December 12, U.S. Commerce Secretary Raimondo said that the U.S. government is discussing with Nvidia the issue of allowing the sale of AI ...[Details]

In most processors after ARM V4 and V4T, the interrupt vector table can have two locations: one is 0 and the other is 0xffff0000. This can be controlled by the V bit (bit ) in the CP15 coprocessor ...[Details]