The 24V car battery is powered by a step-down chip to 5V. What is the lowest input voltage of this (DC/DC or LDO) step-down chip? Is it 35V or 40V? Thank you....
I switched from STM32F103 to STM32L152. Now I want to drive the segment LCD but it can't light up. I want relevant information or examples! Or guide me. Thank you! !...
Last Friday, two days after Nokia changed its public account name to "Hemingdi Technology Co., Ltd.", it changed back to "Nokia Mobile Phone".This wave of operations made Nokia inexplicably gain a wav...
In PCB design, pad is a very important concept, and PCB engineers must be familiar with it. However, although they are familiar with it, many engineers have only a superficial understanding of pad. Th...
I don't know much about C2000, so I should pay attention to many things when using it.
I didn’t do much preparation before debugging, and encountered many problems during debugging.
For example, the f...
power supplyA power source is a device that converts other forms of energy into electrical energy. The power source is based on the principle of "magnetoelectricity" and is generated by renewable ener...
In recent years, with the development of society, PLC programmable controllers have been widely used in industrial production. However, many electricians do not know how to maintain and repair them...[Details]
According to foreign media reports, the British government said that it will test wireless charging taxis in Nottingham. The entire plan will last for six months, and the British government will inve...[Details]
BYD's blade battery was officially released in March 2020. It does not catch fire or explode when punctured. Now it is March 2021, the first anniversary of the launch of the blade battery. During t...[Details]
"Lenovo's share of the Chinese PC market is expected to reach a record high of 40% in fiscal 2019, which is unprecedented," said Liu Jun, executive vice president of Lenovo Group and president of...[Details]
Instant delivery is a new type of service format that has developed rapidly in recent years. It started with food delivery and now has spread to supermarkets, fresh food, agency, near-field retail, e...[Details]
Foreign media quoted sources familiar with the matter as saying that Uber has made an acquisition offer to GrubHub, a US food delivery service platform. GrubHub, headquartered in Chicago, is th...[Details]
A multi-pronged approach to teach you how to choose a good power supply
The selection of power supplies is an old topic. For users who often pay attention to computer information, choosing...[Details]
On August 14, the fourth "Core Power Beijing" Zhongguancun IC Industry Forum - Investment Forum was held in Beijing. At the forum, Chen Datong, Chairman of the Investment Committee of Puhua Capital, ...[Details]
//Original post http://bbs.elecfans.com/forum.php?mod=viewthread&tid=445463 //Several compilation errors were found during the learning process and corrected; //Mainly post the definition and interr...[Details]
Hello everyone, the HDQ protocol is used in the detection module of the smart battery to monitor and collect information such as battery power, temperature, voltage and charging status. The ZDS2022 o...[Details]
In the fourth, fifth and sixth lessons, Pi Ziheng introduced three types of output files (relocatable, map, and exectuable files) generated by compilers/linkers. These three files focus on the dist...[Details]
This depends on the focus of the work. For example, a special clamp meter is more useful for electrical maintenance of power lines, while a multimeter is more useful for people who do electrical ma...[Details]
0 Preface
With the rapid development of communication technology and network technology, a large number of network devices are connected to the Internet, and the number of Internet users is growing...[Details]
1. Problem Mr. Zhuo, could you please post an explanation of op amps? My child still can't use op amps and I'm stumped. I am using OPA4377. According to my schematic, one of the magnification f...[Details]
There are three main contents in this section of serial console establishment:
1. Console framework construction
1.1 Introduction to the classification of consoles:
1.1.1...[Details]
Power technology
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