[size=4]Principle of diode and gate circuit[/size] [size=4][/size] [size=4] [/size] [size=4]As shown in the figure: It is a diode and gate circuit, Vcc = 10v, assuming that 3v and above represent high...
I heard from others that there is a bug in this version at a seminar. When debugging with SWD, it will get stuck in the SystemInit() function. You need to reset the library entry under the linker opti...
[i=s]This post was last edited by ddllxxrr on 2017-5-7 07:38[/i] I don't like to dismantle things when there is no problem. Because I think everything has a lifespan. Dismantling it when it shouldn't ...
Another thing is that when configuring RCC, PLCK2 selects HCLK divided by 1, which is 72MHz. Then the ADC frequency selected by 4 in the book is 18MHz, isn't it? Not 9MHz, is it a mistake in the book?...
I just entered the automotive electronics industry. I used to do IC testing, and I was very particular about micro and nanometers. Now I have switched to automotive electronics and found that the accu...
How to know the length of the data passed during message transmission in ucosii. u8 *rxdata; rxdata = OSMboxPend(msg_key,0,&err); If you use the strlen function directly, you will not be able to deter...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]