My project uses an ultrasonic module to detect water levels. The ultrasonic module I chose is CH-SR04. The detection range of this module is 2~450cm, and it can detect changes in water levels within a...
[i=s]This post was last edited by DDZZ669 on 2021-11-9 00:04[/i]In the previous articles, we have gradually learned about the various lighting principles of embedded Linux development, from the most b...
3 days to get started with Persimmon UI, 2 days to finalize product interface development : https://training.eeworld.com.cn/course/5226Persimmon is a graphical user interface component running on the ...
Introduction At present, laser pulse ranging method has the advantages of long detection distance and low requirement for light source coherence, and is widely used in various fields. It uses th...[Details]
For Linux drivers, there are mainly three types: miscdevice, platform_device, and platform_driver. The relationship between these three structures is: (Base Class) kobject ——————– / \ \ / \ \ ...[Details]
A new round of energy revolution marked by the large-scale development and utilization of new energy and based on re-electrification is developing in depth around the world. At present, the 10 kV a...[Details]
According to incomplete statistics from the International Energy Network/PV Headlines (PV-2005) based on public information, from April 1 to April 30,
about 49 PV inverter bidding projects (bid...[Details]
1 Introduction
PFC is now mandatory for electronic ballasts above 25W and has been a global requirement since 2005, when the European law on power factor correction (PFC) for electronic ball...[Details]
With the emergence of high-power LEDs, the life of LEDs and power conversion efficiency have become the main considerations when designing LED lighting systems. Based on Fairchild Semiconductor FAN...[Details]
High-power switching power supply composed of L4970A As shown in the figure, this is a high-power switching power supply composed of L4970A. L4970A is a high-power monolithic switching integrat...[Details]
Jiwei.com reported on April 22 that the realme Q3 series was officially released today. The realme Q3i is priced from 1,099 yuan, with a 100 yuan discount during the first sale period, and the actual...[Details]
March 23, 2022 – Mouser Electronics, the New Product Introduction (NPI) and Largest Inventory™ distributor of electronic components, is the authorized global distributor of NXP® Semiconductors soluti...[Details]
According to semiconductor industry sources, TSMC expects to receive NT$500 billion (US$17.024 billion) in orders from Apple in 2022, up from NT$405.4 billion in 2021. According to digitimes, source...[Details]
After Lingsheng Technology was established in 2018, various news emerged one after another. However, in the following two years, Lingsheng seemed to have no other news except changing its CEO and set...[Details]
0 Introduction Due to some inherent deficiencies of CCFL (Cold Cathode Fluorescent Lamps) backlight technology and products on traditional LCD display devices, such as narrow color gamut, low en...[Details]
All the following descriptions are from the "STM32F103xx Data Sheet" (7th edition, May 2008). There is no new information here, just a translation of the corresponding part of the data sheet.
When ...[Details]
The MCU source program is as follows #include reg52.h #define uchar unsigned char #define uint unsigned int uint speed = 100; //initial speed uint max = 200; // slowest speed uint min =...[Details]
1 Introduction Current encoders, decoders and programming coders are mainly used in control circuits such as anti-theft alarms, electronic code locks, and remote control switches. However, al...[Details]
MCU
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