I would like to ask, how to choose the capacitance of the filter capacitor after the diode full-wave rectifier? The power supply voltage is 4000V, the current is 30A, and the frequency is 400Hz. I hav...
As smartphone screens become larger, resolutions become higher, and mobile phone performance becomes stronger, the battery life of mobile phones has become the object of many people's complaints. When...
TI's official routines only give the configuration of SCIA and not the configuration methods of other SCIs. In fact, the configurations of these are the same. The following takes the configuration of ...
Tornado creates a model for database insertion. Today, we design the sampled data to be inserted. We design the model.py below the models
from peewee import *
import peewee_asyncdatabase = peewee_asyn...
Please refer to the following figure:
1. What does the red arrow 1 mean when it says NETS CONTAINING FLOATING INPUT PINS?
2. What does the red arrow 1 prompt: WARNING: NETS WITH NO DRIVING SOURCE mean...
When you think of an engine, what comes to mind? Is it the displacement? Is it the number of cylinders? Or something else?
In fact, no matter it is 1.0L displacement or 6.0L displacement, no m...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The chip manufacturing process is a long chain, and many important process links require precise detection methods to detect defects, ensure yield, reduce production costs, and improve control proces...[Details]
introduction How can e-mobility and sustainable energy ecosystems create and deliver greater value to electric vehicle (EV) owners? Analog Devices' product line of electrification solutions, ADI R...[Details]
With bit-banding support, you can use normal load/store instructions to read and write single bits. In CM3, bit-banding is implemented in two areas. One is the lowest 1MB range of the SRAM area, and ...[Details]
If you want to know the popularity of a mobile phone brand, the easiest way is to look at its product sales and market share. In the past two years, Xiaomi has been unstoppable and has repeatedly cre...[Details]
Ⅰ. Write in front When many friends first learn STM32, they don't know much about STM32 chips, which makes them confused on the road of learning and even give up halfway. I hope the content of this a...[Details]
The high-voltage isolation probe is a probe with floating measurement function. It has good common-mode noise suppression capability. The input terminal has high input impedance and low capacitance...[Details]
In 2019, the global PCB output value was approximately US$61.3 billion, a year-on-year decline of 1.7%. The automotive sector was the hardest hit, with a year-on-year decline of 8.1% to US$7.3 bill...[Details]
STM32 supports in-application programming, also known as IAP, which greatly facilitates the online upgrade of products.
The principle of online upgrade is briefly described as follows:
There are tw...[Details]
Environmental monitoring refers to determining the environmental quality (or degree of pollution) and its changing trend by measuring the representative values of factors that affect environmental...[Details]
The latest tablet quarterly tracking report released by IDC China shows that the shipment volume of China's tablet market in the first quarter of 2020 was about 3.73 million units, a year-on-year dec...[Details]
As early as 2014, Nokia launched the Nokia 225 mobile phone. At that time, the official said it was the thinnest "Internet phone" so far. After the product was launched, it was also loved by many con...[Details]
More and more Lambda customers are seeking and obtaining environmentally friendly (EF) or "green" power supplies. What constitutes an EF/green power supply ? There are many factors that a power s...[Details]
In order to further optimize the company's production capacity layout and enhance the influence and comprehensive competitiveness of the company's business, Guangzhou Penghui Energy Technology Co.,...[Details]
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