The requirement is to input 4 buttons and output 4 LEDs. The first button controls the first LED. Press once to light up the LED, and press again to turn it off. The second and third buttons control t...
[i=s] This post was last edited by Lss丶学徒 on 2017-7-24 16:59 [/i] I have a friend who makes some smart meters. He thinks the current cost price of the STM8S005C6T6 chip is too high. He wants me to hel...
——Introducing the practical application of the concept of "lighting on demand"
In recent years, the number of underground parking lots in high-rise buildings, commercial centers, and government agenci...
Portable devices usually have a built-in battery. When plugged in, they are powered by USB, and when unplugged, they are powered by the battery. The input usually has a voltage required by the DCDC co...
Experiment 7.1 FIR ;================================================================= ; fir4.asm ;Use circular buffer and double operand addressing method to realize FIR filter;First use matlab to sel...
:Cry::Cry: The board does not use its own LCD controller because other peripherals are needed. It is driven by fsmc, and the driver ic is R61408. The same program can be driven on F429, but it does no...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
introduction
Oxygen is an important substance for human metabolism. Brain tissue has a high metabolic rate and consumes about 20% of the total oxygen in the body. In the clinical rescue and ...[Details]
At present, the global medical electronics industry is gradually showing attractive development prospects, and the speed of product replacement is constantly increasing. At the same time, due to the p...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
Over the past 15 to 20 years, automotive power MOSFETs have evolved from an initial technical topic to a thriving commercial sector. Power MOSFETs were chosen because they can withstand transient ...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
MOSFETs are widely used as power switching elements in regulators and motor controllers. They are available as discrete devices or integrated into ICs in various H-bridge configurations.
A hig...[Details]
At present, the IEEE802.11 wireless LAN standard is widely used in voice communication, wireless office and other fields, but it is still mainly limited to wireless communication on general platfor...[Details]
1 Introduction
Reliability research originated from weapon systems. After nearly half a century of development, it has become an engineering discipline that covers all disciplines and industri...[Details]
Introduction: Generally speaking, the power supplies used to drive today's high-resolution analog/digital converters have AC or DC loads of hundreds of ohms or more. Therefore, an operational ampli...[Details]
0 Introduction
At present, most of the automatic blood pressure monitoring systems used in hospitals are imported equipment, which are expensive and increase the cost of medical treatment. The...[Details]
This Design Idea shows how to keep telecom equipment operational during brief brownouts. First, it is important to understand a few details about the power supplies used for telecom equipment. The ...[Details]