I have made similar circuits several times before, but in actual applications, the current limiting resistor and optocoupler were burned. I modified it myself based on the information I found on the I...
[i=s]This post was last edited by qwqwqw2088 on 2020-4-26 07:22[/i]As smartphones become increasingly versatile, battery capacity is increasing, and at the same time, there is a demand for “charging i...
Are you struggling with RS-485 transceiver issues? Don’t worry! This article provides some insights based on frequently asked questions in the Texas Instruments E2E community, and is sure to help thos...
UnboxingFirst of all, the activity actually requires an order to be placed on Taobao. Through the operation of coupons + shipping refunds, the reviewers do not actually need to spend any money.I recei...
Designers have many choices when it comes to wireless connectivity in a wide range of applications, from human interface devices (HIDs) to remote sensors for the Internet of Things (IoT). One of the m...
The "Intelligent Vehicle Innovation and Development Strategy" (hereinafter referred to as the "Intelligent Vehicle Strategy"), which attracted widespread attention during the consultation stage, has...[Details]
Today, Hao Mo Zhixing officially announced that it has reached a strategic cooperation with Yingchi Technology. In the future, both parties will rely on their advantages in their respective fields to...[Details]
Electrical noise can be a designer's worst nightmare, causing the system to operate erratically or even cause hard-to-track faults. In traditional CMOS logic, noise can cause signal oscillations, whi...[Details]
Motorola's G series, which has a very long history, will have a new phone. In addition to Moto G10 and Moto G30, a new phone called Moto G40 has been exposed. It is reported that Moto G40 is ...[Details]
This is a very simple low-cost audible continuity tester that can be easily made with only a quad-comparator chip LM339 (IC1), a few resistors and a piezoelectric buzzer. The circuit is powered by a ...[Details]
MLS released an announcement on the sale of the assets of its wholly-owned subsidiary. The factory closure plan of the company's wholly-owned subsidiary Ludvance GmbH ("Ludvance") is currently progre...[Details]
According to foreign media reports, the University at Buffalo, the State University of New York, has discovered that combining iron with nitrogen and carbon can produce efficient, durable and cheap c...[Details]
Kou Wei, Chairman of State Grid Corporation of China, proposed at the company's "Two Sessions" this year: "Three years of hard work, three years of improvement, and the comprehensive establishment ...[Details]
The micro-water test method is a method of instantaneously injecting or extracting a certain amount of water into a well, and obtaining the permeability coefficient of the aquifer near the well by obs...[Details]
As automobile technology continues to develop, users' demands for automobile intelligence, automation, and connectivity are also increasing. There is no doubt that cars with good user experience will...[Details]
As the world becomes increasingly intelligent, the semiconductor industry undoubtedly plays a vital strategic role. With the extension and upgrading of the industrial chain and facing a complex and...[Details]
The pins of the microcontroller can be controlled by programs to output high and low levels, which can be regarded as the output voltage of the microcontroller.
However, the program cannot control ...[Details]
The power tubes of famous manufacturers such as WE 300B, GEC KT88, RCA 2A3 and Tung?Sol 6550 are very expensive. Besides WE 300B, the others have been out of production for more than 20 years and are ...[Details]
Last month, Linus Torvalds published an article expressing frustration that the AMD fTPM random number generator was still causing problems for users after updating firmware/BIOS. AMD Linux engineer ...[Details]
In recent years, with the diversification of wireless communication services such as online games and streaming content, the demand for faster data transmission and shorter waiting time has increased...[Details]