Hello, I encountered a problem when using ADC multi-channel acquisition. First, I used ADC 4 channels 10-bit acquisition (A3, A2, A1, A0), adopted the internal reference voltage 2.5v, and used DMA to ...
[i=s] This post was last edited by dontium on 2015-1-23 13:25 [/i] Resistor value marking method
1. Direct marking method: Use numbers and unit symbols to mark the resistance value on the surface of...
[i=s]This post was last edited by Wutong after the rain on 2016-8-25 15:42[/i] In response to the post I posted yesterday: [url=https://bbs.eeworld.com.cn/thread-498465-1-1.html]https://bbs.eeworld.co...
Hey guys, I want to press a button on one interface and another interface will pop up. What function should I use to call and generate the other interface?...
I recently soldered a sound amplifier circuit board, and found that it could not work properly after soldering. I don't know what the reason is: I input the audio signal, but the speaker does not soun...
On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[Details]
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
I have been working on this i2c for several days. Many people on the Internet say that this is a problem with the ST package library, and they basically talk about the STM32F1 series of chips, and ev...[Details]
On the eve of Qingming Festival, the trade friction between China and the United States is on the rise. Let's follow the automotive electronics editor to learn more about the relevant content. Ba...[Details]
On April 16, the U.S. Department of Commerce announced that it would ban U.S. companies from selling parts, goods, software, and technology to
ZTE
for seven years, until March 13, 2025.
Th...[Details]
The parking assistance system is an important application of the active anti-collision system of automobiles in low-speed and complex urban environments, and is also a specific embodiment of the inte...[Details]
Recently, the relevant person in charge of the Energy Conservation Division of the Energy Conservation and Technology Equipment Department of the National Energy Administration said on the issue of...[Details]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
At present, in the world,
the construction of
smart cities
is in the process of gradually landing from concept, and technology giants and investment giants are important participants in this...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[Details]
1. Brief description A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[Details]
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