[i=s] This post was last edited by Cijian Dare Not Be Ahead on 2022-3-14 09:57[/i]Case: Implementing a dial pointer clock - based on TOPWAY intelligent display module (HMT070ETD-1D)Step 1: Use the hos...
Using a 220V to 18V transformer, the voltage output of the transformer output (pins 12, 14, 17, 19) is 12V. After passing through the MB6S rectifier, the output voltage of pin 3 of SP1 is 27V, and the...
[align=center][font=宋体][size=5][color=#0000ff][b]1. LED DC power indicator circuit[/b][/color][/size][/font][/align][font=宋体][size=4][color=#0000ff][b]1. DC LED indicator circuit[/b][/color][/size][/f...
The theories of HiFi sound systems and amplifiers are very profound. It is not easy to study them thoroughly. In order to make them work best, we need to explore more of their mysteries to stimulat...[Details]
Apple recently reached a settlement with the South Korean government to resolve the latter's allegations that the former abused its market dominance. Apple needs to invest 100 billion won (about 89...[Details]
Apple today updated the MacBook Air, adding True Tone to the Retina display. At the same time, the price of the MacBook Air dropped to $1,099, with an education discount of $999. In addition, Apple a...[Details]
Batteries sold on the market can generally be divided into two categories: disposable batteries and rechargeable batteries.
Disposable batteries
Commonly known as "disposable" batteries, the...[Details]
On December 30, 2019, Shanghai Pudong Power Supply Company and Pudong New Area Urban Operation Integrated Management Center signed a strategic cooperation agreement to jointly promote the deep inte...[Details]
Echion Technologies, a battery technology startup, is preparing to commercialize a new technology that can fully charge mobile devices and electric vehicles in just six minutes. The company has been ...[Details]
The IO port is the most basic component for the processor system to communicate with the outside world. From basic keyboards and LEDs to complex peripheral chips, they are all read or controlled thro...[Details]
introduction
With the development of network and communication technology, embedded systems have entered a stage of rapid development. And have been widely used in various fields of society. This p...[Details]
The "Baidu Brain Face Recognition • New Products and Partner Program" press conference was held in Shenzhen. As the industry's leading AI open platform, Baidu has joined hands with partners in the fi...[Details]
Figure 2-2 shows a gate control circuit composed of AND gates. Gate control circuits are widely used in digital instruments. For example, when one signal is needed to control another signal, a gate c...[Details]
Since the Swiss Trimos Company and its subsidiary SYLVAC Company successfully developed the capacitive grating measurement system for length measurement in 1972, the capacitive grating measurement s...[Details]
Recently, Lenovo sent a lawyer's letter to Framework, saying that the power button on the latter's PC protective case is very similar to the icon of its brand "LEGION". This icon is a circular icon w...[Details]
Digital Signal Processing (DSP) is an emerging discipline that involves many disciplines and is widely used in many fields. Since the 1960s, with the rapid development of computer and information t...[Details]
The rising penetration of electric vehicles (EVs) has stimulated market demand for optimized design, reduced costs, and improved vehicle operating efficiency, and has raised new challenges for produc...[Details]
Main circuit of active filter
Figure 1 Main circuit of active filter
Active power filters are generally designed as voltage source PWM inverters. By controlling the fully controlled switchi...[Details]
Discrete Device
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