How many components are needed to make an adjustable power supply?
10? 5?
One netizen said that only * is needed, and took a video as proof. Friends, how many do you think are needed at least?
Come to...
Usually it is metal film, but this time the voltage is too high (thousands of volts). The maximum allowable voltage of metal film written in the general specifications is 500V, and many resistors need...
This is the first time I use the LSD-PRGS430-IIIA multi-function programmer. I would like to ask if it can burn files in D43 format?If not, is there any way to convert D43 files into A43 or TXT format...
Look at the waveform of uL. When the switch is on, why does uL remain unchanged? It should decrease, right? [[i] This post was last edited by secondlife110 on 2012-11-14 14:08 [/i]]...
The purpose of DIY was always to save money at first. However, as the degree of mechanization increases, the cost of factory-produced products also decreases. It is indeed more economical than DIY. Ho...
The following is a correct program for playing the buzzer, but if I don't want to use interrupts, how should I write it? ? ? Or do I have to use interrupts? ?
The song ordering system interrupts in my...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
1. Introduction
In 2015, Apple's new MacBook and Apple Watch both featured force-sensing technology, which Apple calls Force Touch. Each time a user presses the touchpad, the device not only p...[Details]
On August 20, Huawei Device announced that the all-new M7 is the first to feature an in-cabin laser vision solution. This solution offers enhanced active safety capabilities compared to primary vis...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]
As the core of electric vehicles, batteries are concerned with vehicle use and maintenance. The operation of vehicles is guaranteed by the electricity generated by batteries. For batteries, battery...[Details]
New energy electric vehicles are energy-saving, environmentally friendly, have low operating costs, and enjoy strong support from national policies. With the growth in sales of new energy electric ...[Details]
August 18, 2025—
Advantech, a global leader in IoT intelligent systems and embedded platforms, today announced a collaboration with LitePoint, a global provider of wireless test solutions, to d...[Details]
When we use electric cars on the highway, we do need to pay attention to more aspects than fuel cars.
First, we need to charge our electric vehicles in advance. Compared to fuel vehicles...[Details]
introduction
Due to their flexibility and security, Java cards are increasingly being used in the smart card field. Once a Java card is released, if multiple applications need to call the same...[Details]