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#include "KEY44.h" #include "sys.h" #include "delay.h" #include "usart.h"   u8 key_num = 0;   int main(void) { uart_init(115200); delay_init(); KEY44_Heat(); while(1) { key_num = key44_Scan...[Details]

According to Bloomberg, Apple CEO Cook will attend and testify at an antitrust hearing held by the U.S. House Judiciary Antitrust Committee tomorrow. In a prepared opening statement, Cook said Appl...[Details]

　　In today's electronic product designs, precise current amplitude measurement is key to achieving maximum power efficiency. Current probes provide the industry's best measurement sensitivity and can...[Details]

1. How to convert a four-byte hexadecimal number to a decimal number. The format of the hexadecimal number is low-order first. Assume that the first byte is hex_buf , hex_buf , hex_buf , hex_buf . ...[Details]

A few days ago, I wrote an article about CVT, titled "I want to seek justice for those CVTs that you have wronged", and netizens discussed or expressed their feelings a lot. Many people also asked me...[Details]

Last week, I published an article titled "From the perspective of Party A, a brief talk about the industrial Internet platform". As a result, I received private messages, reposts and comments from se...[Details]

Product test wheel chart The test type, that is, the angles from which the product should be tested, determines the idea of ​​the test. The next thing we need to discuss is how to do it, that is, the...[Details]

The final version of Wi-Fi 7, also known as 802.11be, is expected to be approved by an IEEE working group in 2024. But tech brands aren’t waiting for official standards; they are waiting. Router and ...[Details]

Voltage is one of the main parameters measured. The basis of electrical parameters: three basic parameters that characterize the energy of electrical signals: voltage, current, and power. u=ir i=u/rr...[Details]

#include "at89x51.h" #define uchar unsigned char #define uint unsinged int sbit speaker = P1^5; //Buzzer. The default pin for the button is P3.2 (external interrupt 0) uchar t0h,t0l,time,flag; //--...[Details]

When the sixth-generation iPad mini was released last fall, it became the first Apple tablet to offer smart directional volume buttons (pictured). Recently, Matt Birchler discovered that Apple has ...[Details]

iPhone 11 sales exceeded expectations, and Samsung Display's OLED (organic light-emitting diode) panel supply was 10% higher than originally planned. On the 10th of last month, Apple released the i...[Details]

Positioning and navigation are important functions of many portable mobile devices and automotive electronic devices, so GPS is widely used in these devices. The embedded platform based on ARM-Linux ...[Details]

introduction Embedded systems are application-centric, computer-based, and specialized computer systems that can adapt to strict requirements on functionality, reliability, cost, size, power consum...[Details]

With the development of new energy vehicles, the key component of main drive inverter is becoming more and more important. What are the core requirements of the market for main drive inverter? Unde...[Details]