Author: Helon CHEN, ST engineer
Click to download the pdf document:Q: How to calculate the response time from shutdown state to ready state
A: To calculate the transition time from SHUTDOWN to READY, ...
Battery and external power switching circuit, MOS on and off conditions1. Battery and external power switching circuit, is there a simpler circuit that can realize the function of automatic power swit...
[i=s]This post was last edited by cruelfox on 2019-1-20 21:34[/i] After the K64 MCU was down-clocked, when running the minimalist application project I wrote (the screen backlight was also turned off,...
After so much preparation, the most important test chapter is finally here.
Based on the previous article, open the radar gui and the following picture will appear. You can modify the parameters throu...
The microcontroller has its own LCD driver function, and the external resistor drives the LCD screen. What is the role of the external resistor and capacitor? How do they cooperate with the LCD screen...
IT Home reported on June 9 that according to foreign media Huaweicentral, in August 2018, Huawei registered the HongMeng trademark with the Trademark Office of the State Intellectual Property Office ...[Details]
The novel direct-reading zc-type transistor is a high-resistance measuring instrument. It uses a DC voltage converter to replace the bulky hand-cranked generator, which improves the test efficiency. ...[Details]
At present, the Ethernet protocol has been widely used in various computer networks, such as office LANs, industrial control networks, the Internet, etc., and is still developing. Single chip microco...[Details]
High-channel-density data acquisition systems used in medical imaging, industrial process control, automatic test equipment, and 40G/100G optical communication systems can multiplex the signals fro...[Details]
1 Introduction
Battery
It is
an important part of
UPS
system, and its quality is directly related to the reliability of the whole UPS system. No matter how advanced the UPS desig...[Details]
1 Composition, characteristics and types of low-voltage power supply systems
(1) Power supply systems usually consist of two parts: AC subsystem and DC subsystem
AC subsystems usually con...[Details]
In order to relieve the worries of more and more urban white-collar workers about the health and property safety of their families, a networked home monitoring system based on digital video recorde...[Details]
In the specific testing process, what bandwidth is more appropriate for the oscilloscope?
First, look at the following example.
As can be seen from the above figure, the larger the bandwidth...[Details]
With the development of economy and the improvement of people's living standards, vehicles have already entered thousands of households. However, with the continuous increase in the number of vehicle...[Details]
With the rapid development of science and technology and the continuous improvement of people's living standards, people have put forward higher requirements for the environment, use functions, fire ...[Details]
The biggest selling point of
LED
lighting is energy saving, but the market is often limited by the cost, materials, and heat dissipation technology of the product, which makes the energy sav...[Details]
1 Introduction
The microwave measurement method is to use electromagnetic waves as a detection beam to irradiate the plasma to detect the plasma characteristics without causing any contamination t...[Details]
In 2002, Intel integrated the USB 2.0 port into the computer south bridge chip ICH4, which promoted the popularization of USB 2.0. The USB 2.0 version supports three speeds: high speed 480Mbps, full s...[Details]
Introduction: How to achieve a higher cost-effectiveness in the clock synchronization hold mode is a common problem encountered by communication equipment manufacturers. In order to explain these prob...[Details]
There are many ways to control voltage in industry. Here are some common methods:
Voltage Regulator
A voltage regulator is a device used to control voltage. It can adjust the in...[Details]
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