UPS, or uninterruptible power supply, is usually one of the subsystems of a weak current room project. It connects the battery to the host device and is mainly used to provide a stable and uninterrupt...
I am still on a business trip today. I was bored on the train, so I took out my notebook and wrote about LED lights:
View Schematic
Table 4-1LED NumberCorresponding GPIOPin FunctiondescribeD4IO12GPIO1...
Telecommunications Law and Telecommunications Network Interconnection 2006-7-17Since the telecommunications industry broke the monopoly and introduced competition, the issue of interconnection has att...
Yesterday, a colleague shared a picture, which roughly meant that because of the shortage of chips, everyone started to redesign the products that have been used for the past decade.
Is your company g...
[i=s]This post was last edited by xinxiaojun on 2018-10-22 14:39[/i] [align=center]Mobile device battery voltage remote monitoring system based on MC20E[/align] [align=left] [color=#0000ff]Technical b...
The STM32L5x series is a new MCU from ST. I just heard last year that ST has released an MCU based on the M33 architecture.
This MCU comes with hardware TrustZoneARM TrustZone technology is a system-w...
1. Fault phenomenon The customer reported that the faulty instrument could not be turned on normally. 2. Detection Fault After testing, it was found that the main power supply and control circuit o...[Details]
The conductivity meter is a multi-range instrument that can meet the testing requirements of various applications from deionized water to seawater. This instrument can provide automatic temperature...[Details]
Whenever we watch Hollywood sci-fi movies, we always sigh that the visual stereoscopic projection technology in the blockbusters is so cool and magical, but this technology must first be realized on ...[Details]
Because it involves programming, learning ARM microcontroller system is somewhat difficult for designers engaged in electronic circuits. Learning knowledge is not difficult, but it is difficult to so...[Details]
LED is favored by the vast number of users for its small size, low power consumption, environmental protection, durability and rich light source colors. However,one of the bottlenecks facing the d...[Details]
When working in the critical continuous state, the relationship of output voltage Uo=Ui·Du still exists. If the input voltage is constant, that is, Ui=constant, then IoG can be expressed by Ui, so ...[Details]
Hot-swap protection circuits are often used in high-availability systems such as servers, network switches, and other forms of communication infrastructure. Such systems often require replacing a fau...[Details]
Skin suture thread diameter measuring instrument Medical suture thread diameter tester Wire diameter measuring instrument The medical suture wire diameter tester is designed and manufactured accordin...[Details]
While Huawei, OPPO and others are planning to launch 5G mobile phones this year, Meizu has not made any moves. For this reason, many people are curious about when Meizu's 5G mobile phone will appear....[Details]
0 Introduction
This paper designs a voltage-to-current circuit with fast response by driving the load with current. At the same time, the actual model in PSPICE is used to simulate the circuit, and...[Details]
introduction
The voltage regulator provides a continuous and stable voltage to the subsequent circuits. Some applications can accept relatively large voltage fluctuations, while some applica...[Details]
1. Inline assembly method, using the keyword __asm{assembly instruction...}. This method is simple to operate, but has many limitations, such as: PC cannot be written, label expressions are not suppo...[Details]
New energy storage is a disruptive technology for building a high-proportion new energy power system. It can break through the time and space limitations of traditional power supply and demand, change...[Details]
A new report has revealed that OPPO may be developing a new financial-based product. A recent trademark application revealed the name "OPPO Card," which could be similar to the Apple Card that was la...[Details]
Switching Power Supply Study Group
京公网安备 11010802033920号
EEWORLD
