Introduction to Switching Power Supply Circuit Design : https://training.eeworld.com.cn/course/5424Hardware Trio Switching Power Supply Circuit Design Getting Started Video Tutorial...
An aquarium automation system using the Feather nRF52840 and four additional FeatherWings. There is an automatic fish feeder and a Raspbery Pi based Fishpi display for monitoring temperature and light...
[i=s]This post was last edited by bigbat on 2019-2-23 12:35[/i] The network part is successful using the built-in routines! The NUCLEO-H743ZI development board for testing is provided by ST. For detai...
Please advise, the simulation or burning of soc_blinky or soc_empty project fails. I have tried many methods, but it doesn't work. Does anyone know the reason?...
Live broadcast time: 10:00-11:30 am, June 29, 2021 (Tuesday)
Live Topic: Oscilloscope Basic Training
Introduction:Usually when we test, we often mention the concepts of frequency domain and time domai...
[i=s]This post was last edited by justd0 on 2021-7-19 00:17[/i]Preface
First, let's review the overall architecture of this project. The previous posts introduced the design, production, and testing o...
justd0onsemi and Avnet IoT Innovation Design Competition
At present, the most suitable transmitting experiments for DIY are FM equipment such as wireless microphones. Although there are many articles of this kind in various newspapers and magazines, newspap...[Details]
On December 17, according to Korean media ETNews, LG Chem plans to supply its ultra-high nickel NCMA batteries to Tesla in 2021. The nickel content in the latter's positive electrode material has bee...[Details]
STM32F103ZET6 supports 20 external interrupt inputs (EXIT0~EXIT19), of which there are 4: EXTI line 16 is connected to the PVD output EXTI line 17 is connected to the RTC alarm event EXTI line 18 i...[Details]
The dual-tone multi-frequency signal decoding circuit is an integrated circuit currently widely used in key telephones (fixed telephones, mobile phones), program-controlled switches and wireless co...[Details]
1. Schematic diagram:
2. C program source code
/*
This program has been debugged and run by me personally. If you have any questions, please contact
QQ: 286288986
*/
#include reg52.h //Pred...[Details]
Most modern power supplies require that the current drawn from the input line contains harmonic content. In fact, the regulatory standards require that the line current be close to a sinusoidal wav...[Details]
As shown in the figure, the frequency doubling circuit is composed of NAND gates, which is actually a differential monostable circuit. In steady state, R and R1 are properly selected to make F2 and F...[Details]
On April 9, the 2021 New Generation Information and Communication Industry Academician Forum and the IAIC China Chip Application Innovation Design Competition Launch Ceremony were held in Shenzhen. C...[Details]
The automotive industry and other industries are working to improve the performance of rechargeable batteries and fuel cells . According to foreign media reports, researchers at the University of Tsu...[Details]
Last year, I discussed with my friends the speed of 12V lithium electrification, and learned that Tesla is working on gradually and thoroughly using 12V lithium batteries to replace the original lead...[Details]
Inductor is one of the basic components commonly used in circuits, so it is also very important to learn whether the inductor is normal or not. Method 1: Check whether the shell of the inductor is ...[Details]
According to the working mode,
semiconductor lasers
are divided into two categories: pulsed lasers and continuous lasers. The first two lasers in Table 5.1 are pulsed lasers, which are dr...[Details]
When measuring the insulation resistance of industrial thermocouples, the following technical requirements should be met: 1. Industrial thermocouples should be subjected to insulation resistance ...[Details]
The input and output signals of PLC can be switch quantity, digital quantity or analog quantity, among which the most commonly used is switch quantity. There are two forms of PLC switch quantity in...[Details]
Ultrasonic level meters have the characteristics of non-contact measurement and easy installation. They are widely used in the field of liquid level measurement. However, they still have many limit...[Details]
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