[p=26, 2, left][color=#333333][font=Arial][size=14px]1. Pay attention to the signal rise time [/size][/font][/color][/p][p=26, 2, left][color=#333333][font=Arial][size=14px] The rise time of the signa...
Nowadays, there are more and more cars, motorcycles, electric vehicles, and home anti-theft systems equipped with remote controls. While remote controls bring convenience to people, they sometimes hav...
//Generate IIC start signal void IIC_Start(void) { SDA_OUT(); //sda line output IIC_SDA_1; IIC_SCL_1; delay_us(5); IIC_SDA_0;//START:when CLK is high,DATA change form high to low delay_us(5); IIC_SCL_...
Today, when I was debugging AXD at work, I had never paid attention to the code compiled by AXD. Today, I carefully looked at it and found a problem. I wrote ldr r1,#0x33ffff1c in the code, but I saw ...
The debug error interface is as followsThe pop-up window promptsI searched for a ds-5 crack file. It seems that there is no crack? How do you solve it? Is there a better crack package? Or are you stil...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Test/Measurement
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