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Preface:             The capture PWM wave of STM32's TIM is for frequency and duty cycle, these two data results! Its most basic principle is (for example): for example, when a high-level rising edge...[Details]

In use, a dedicated ground resistance tester is expensive and inconvenient to purchase. Can I use a multimeter to measure the ground resistance? The author used a multimeter to conduct experiments on...[Details]

Circuit Function and Advantages Industrial and instrumentation systems, as well as programmable logic controllers (PLCs) and distributed control systems (DCSs), often have to control outputs. ...[Details]

Promoting the deep integration of the digital economy and the real economy, cloud maintenance equipment management system SaaS software empowers equipment, adds value to enterprises, and empowers...[Details]

With the rapid development of electronic technology, the types of memory are becoming more and more diverse, and each memory has its own unique operation timing. In order to improve the test efficien...[Details]

From the above figure, we can infer that Assume that the CPU executes MOV R0,#3 LDRB R1, Read a byte at address 3, A0=1; A1=1; A2=0 Assume that the CPU executes MOV R0,#4 LDR R1, Read 4 ...[Details]

Will the car key, which has a history of a hundred years, ever disappear one day? 1916 The first car equipped with a car key The Cadillac Type 53 uses a ignition key instead of a starter...[Details]

IT Home reported on March 30 that according to an internal memo obtained by MacRumors, Apple will no longer provide repair services for reported lost iPhones. Apple Stores and authorized service prov...[Details]

This chapter discusses the following:         ●Absolute address access ●Interface between C and assembly         ●Common files in C51 software package         ●Segment name conversion and program opt...[Details]

　　Home Bus System (HBS) is a concept jointly proposed by Japanese companies such as Hitachi, Mitsubishi, Panasonic, and Toshiba, and formulated by the HBS Standards Committee of the Japan Electronics...[Details]

SA60 drive circuit for DC motor The figure is a typical wiring diagram of SA60 driving a DC motor. In this figure, the chip is connected in analog input mode. A capacito...[Details]

In recent years, Ordos has thoroughly implemented the "five tasks" assigned to Inner Mongolia by General Secretary Xi Jinping, and has taken the initiative to assume the important political respons...[Details]

Zurich, Switzerland and Singapore - EQS Newswire - January 13, 2022 - Headquartered in Australia and with operations in 27 countries, EML Payments Ltd (EML) offers an innovative global payment soluti...[Details]

#include "regs.h" void enable_mmu(unsigned long ttb); void init_ttb(unsigned long *ttb_base); void mmap(unsigned long *ttb_base, unsigned long va, unsigned long pa); void memset(char *buf, char ch, i...[Details]

1. What is SDRAM SDRAM: Synchronous Dynamic Random Access Memory. Synchronous means that its clock frequency is the same as the system clock of the CPU front-end bus, and the sending of internal comm...[Details]