The situation is this:
I have a 200W transformer with a primary of 220V and a secondary of 27V.
Now I want to change to 4V 50A to make a small spot welder.
As a result, I removed the secondary and wou...
[i=s]This post was last edited by yang_alex on 2018-4-24 23:21[/i] By reading the CH554 device manual, you can learn that the CH554 chip provides a capacitive detection module and related timers, with...
With the popularity of the concept of music mobile phones, mobile phones are no longer a simple tool for making calls. People are increasingly concerned about the sound quality of music playback on mo...
I worked on the LINUX-2.6.31 version for a long time, but I still couldn't get it to work. There were always many errors, and I couldn't load the file system. So I gave up and tried to get the basic v...
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
The complexity of the integrated circuits (ICs) used in electronic systems in vehicles is increasing. They aim to execute artificial intelligence (AI) algorithms to control autonomous driving funct...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
summary
Modern cars strive to provide the same comfort and entertainment features found in the home, resulting in explosive growth in demand for electronic control units (ECUs). Howe...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
Introduction
With the development of mobile internet, technological advancements, and the introduction of high-performance, low-power processing chips, the variety of smart wearable devices has...[Details]
On August 8th, at the 2025 World Conference held in Beijing, Orbbec, under the theme of "Inspired and Dynamic," unveiled a new lineup of sensing products for the robotics field. Among them were the...[Details]
Quantum dots are a cutting-edge nanomaterial. Using quantum dot materials in backlight sources has four unique advantages:
1. Longer lifespan - Since mature inorganic materials are used, the f...[Details]
1. Working Principle, Characteristics and Applications of Semiconductor Light Emitting Diodes
(1) LED lighting principle
Light-emitting diodes are made of semiconductors from Group ...[Details]
With the penetration of applications into lower-tier markets, cost reductions, and accelerated production capacity, semi-
solid-state batteries
have reached a new stage.
SAIC rec...[Details]
Power technology
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