1. Capacitive reactance: Xc = 1/(ωC) = 1/(2πfC)ω---------angular frequency (angular velocity)π---------pi, approximately equal to 3.14f---------frequency, the power frequency of my country's national ...
NodeMCU-BU01 Development Boardpower supply
The power supply part uses Micro USB as the power supply interface of the NodeMCU-BU01 development board. PA11\PA12 are reserved for USB function expansion. ...
[p=26, 2, left][color=#333333][color=#666666]The motor was running well, but suddenly stopped running. In this case, you must pay attention to whether there are any major changes in the load, whether ...
The automotive industry is changing. Today, tasks that can only be accomplished by internal combustion engines will be handled by hybrid, electric, or even fuel cell-powered vehicles in the future. In...
[i=s]This post was last edited by xld0932 on 2022-6-26 12:14[/i]This article will use the KEIL MDK integrated development environment to create a template project based on the N32L43XRL-STB developmen...
The software version is Altium designer 18. After drawing the PCB and laying copper, I planned to fill the teardrop, but found that the teardrop can be filled between the connected wire and the via, b...
What is interruption? Let's introduce it from an example in life. You are reading a book at home, and suddenly the phone rings. You put down the book, answer the phone, talk to the caller, then put d...[Details]
MCU Modern central processing unit CPU The physical address of 4412 includes CPU internal register registere MMC TF card Compared with microcontrollers, modern CPUs have more cache and me...[Details]
According to foreign media reports, Australian Norman Boyle applied for a patent called "Unmanned Roadside Signage Vehicle System". Although the title does not explicitly mention the autonomous drivi...[Details]
Although the CAN bus has powerful anti-interference and error correction and retransmission mechanisms, it is currently widely used in industries such as new energy vehicles, rail transit, medical ca...[Details]
LG New Energy, South Korea's largest lithium battery manufacturer, is increasing its layout of lithium iron phosphate energy storage batteries. Recently, Changzhou Lithium Source, a subsidiary of ...[Details]
A digital multimeter is an electronic instrument that must be used in electrical measurements. Its main function is to measure voltage, resistance and current. Whether you are an electrician, a perso...[Details]
How much do you know about the trace moisture meter? Let's learn about it now!
1. Instrument Introduction:
The trace moisture meter controls the speed by pulse width modulation; automaticall...[Details]
Contents The invention relates to a volumetric gas flow meter for measuring gas flow, in particular to a suspended single-rotor gas flow meter. Background of the Invention At present, there is a fl...[Details]
Today I debugged the DMA part of STM32. It was my first time to use this part. The 8-bit microcontroller did not have this function. I felt it was very mysterious at first, so I studied it with awe. G...[Details]
Suiyuan Technology, which focuses on cloud computing platforms in the field of artificial intelligence, announced the completion of a RMB 700 million Series B financing round, led by semiconductor in...[Details]
Ideal for next-generation smartphones, gaming consoles and other consumer electronics
CHICAGO, July 22, 2024 –
Littelfuse, Inc., an industrial technology manufacturing company co...[Details]
0 Introduction
Nickel-hydrogen (MH-Ni) batteries are currently the mainstream batteries for hybrid electric vehicles. With the development of economy and technology, my country has made gr...[Details]
When writing programs on an embedded CortexM3 core MCU, if you are not careful, memory overflow may occur. That is, arrays and pointer variables overflow, causing the MCU to access addresses that are ...[Details]
With the continuous advancement of artificial intelligence and autonomous driving technology, intelligent assisted driving systems have been widely used in the automotive industry. These systems incl...[Details]
In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]