[i=s]This post was last edited by maychang on 2020-11-6 10:14[/i] Question 11 Assume that the primary current waveform of a flyback switching power supply transformer is as shown in Figure (05), wit...
This article mainly includes the following contents: 1. The essential difference between Debug and Release compilation methods 2. Under what circumstances will the Release version go wrong 3. How to "...
I bought it from chipssee last November, barely used, 90% new, runs Android perfectly, and has a perfect wifi connection.
Original price 2700, selling price: 2300, Taobao link:http://ershou.taobao.com...
Some time ago, there were netizens who broke the news online: "Nowadays, thieves are very powerful. They can open the user's lock and steal in less than three minutes." This news broke out, which made...
[font=Tahoma,] The durability of batteries has always been a puzzle for researchers, because no matter how large the battery capacity is, it is meaningless if it cannot be recharged repeatedly. We all...
: The code is as follows. I don't know why the RX interrupt is turned on but the TX interrupt vector is used for receiving. I downloaded the film and found that there is no clock output. I used the La...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]