Recently I saw a special resistor on the board, which might be a fuse resistor. I checked some information and would like to share it with you~~ Introduction to fuse resistors Introduction to fuse res...
Watchdog is a way for CPU to recover itself when software runs away. Watchdog is divided into hard watchdog and soft watchdog. Hard watchdog is realized by special watchdog hardware circuit. There are...
I didn't develop under 51 before. Now I see an example like this: typedef enum { a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, a0a, a0b, a0c, }testtype; printf("[%d][%bx][%bu]",a0a,a0a,(U8)a0a); O...
The National N32L43X series MCU has two hardware SPI interfaces, and we can use one of them to drive the SPI interface TFT display; although this series of MCUs does not have an SDIO interface to oper...
I have a customer who reported that he cannot download the program after mounting components on the PCB (with characteristic impedance control). Could you please tell me what are the problems that cau...
This content is originally created by EEWORLD forum user Rohm LCD Technology Station . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the s...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]