Since 2019, the power management field has completed a number of investments, including Xiaomi and Huawei. In May 2019, Nanxin Semiconductor received RMB 100 million in Series B financing, with Shunwe...
I am designing an ECG collector for class. I want to use LM324 to make a 0.05Hz high-pass filter. I don't know if it is feasible. No matter how I change the resistors and capacitors, the cut-off frequ...
[i=s]This post was last edited by littleshrimp on 2020-4-18 21:23[/i]SxM0AR is the memory address to be set. If DMA is used to read the memory in a loop, the memory address should change between SxM0A...
Let's first understand that the switching power supply chip actually uses the electronic switching device MOS tube. Through the control circuit, the electronic switching device is constantly "on" and ...
Lead-free: A new proposition for the electronics manufacturing industry【Source: SMT Information Network】【Author: toptouch】【Time: 2004-12-29 9:18:28】【Click: 3756】The global green environmental protecti...
The emergence of light-emitting diodes (LEDs)
as solid-state light sources
has made incandescent lamps increasingly obsolete. In the past few years, LED technology has made great progres...[Details]
According to Jiwei.com, the market has recently heard that Foxconn is interested in acquiring the 6-inch wafer fab of memory manufacturer Macronix. Today (20), Foxconn Chairman Liu Yangwei confirmed ...[Details]
I/O control is the most basic and core thing for a microcontroller. In fact, apart from AD DA conversion, most other things can be done by the I/O port. I/O control is simple but can be varied. I/O...[Details]
IT Home learned that the Nubia Play mobile phone new product launch conference will be held at 19:00 on April 21. At that time, the Nubia Play 5G mobile phone will be officially unveiled. T...[Details]
Velodyne has always been nervous when it comes to intellectual property rights. On February 16, Velodyne President Marta Thoma Hall posted four tweets on her personal Twitter account, accusing Chin...[Details]
A long time ago, the service life of cars in my country was 15 years. Once a car reached 15 years old, it had to be scrapped. However, the policy was later changed. As long as the car does not exce...[Details]
In some water towers and well water supply devices, although water tower water level automatic control circuits are installed, in the dry season, when the water source in the well is insufficient ...[Details]
The measuring mechanism of ammeter and voltmeter is basically the same, but the connection in the measuring circuit is different. Therefore, the following matters should be paid attention to when sel...[Details]
Constant current self-stop 6-24v charger
Principle
The simple charger introduced in this article can automatically charge batteries below 24V, with a maximum charging current of 2.5...[Details]
STM32F103VCT6 has two 12-bit DACs. The conversion speed of DAC has not been found. Some people on the Internet say that the frequency is 1MHZ, which is 1us. The conversion time of ADC is 1us at 56MHZ...[Details]
According to FunkyHuawei, a senior member of XDA and operator of unofficial Huawei ROM, based on the Huawei P30 series EMUI 10 ROM package they obtained, at least in the internal testing phase, overs...[Details]
O Introduction
Traditional
diode
rectifiers used in the front end of
electronic
equipment
act as a harmonic
current
source, interfering with the grid lin...[Details]
Not long ago, the well-known actor Wang Zijian purchased the Meizu 18 and Meizu 18 Pro mobile phones using the M code, and posted the order placed on the Meizu official website. Yesterday eve...[Details]
Due to the increase in high-performance electronic products and the rise of environmental awareness, the demand for power supplies for smartphones, electric cars and motorcycles has increased signifi...[Details]
Faced with a fiercely competitive market, the instrumentation industry has also exposed many problems in the process of development, such as poor innovation capabilities, competition between Chinese ...[Details]
Power technology
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