When I use the IQMATH library, I can use temp=_IQ(0.333) to get the correct result, but calling temp2=_IQatan2(temp) only gives the result of temp2=0. Has anyone encountered this problem when using th...
[align=left][color=rgb(51, 51, 51)]The concept of voltage and current lead and lag is relative to the relationship between current and voltage. That is to say, for example, if it is a capacitive load ...
CES 2015 Focus: Reza Kazerounian Introduction to the Internet of Things : https://training.eeworld.com.cn/course/259Dr. Reza Kazerounian, SVP and GM of Atmel's MCU Business Unit, briefly introduced At...
Here are some issues to pay attention to when using op amps, especially high-speed op amps: 1. Pay attention to the design and wiring of the power supply. The power supply has a great influence on the...
Guangdong Traffic Regulation No. 355
To all municipal transportation bureaus (commissions) above the prefecture level, provincial transportation groups, Guangdong Power Grid Compa...[Details]
Recently, the Provincial Development and Reform Commission and the Provincial Poverty Alleviation Office jointly organized the application for a number of centralized photovoltaic poverty alleviation ...[Details]
In the
AI
boom, the most talked about is
neural network
. However,
AI
is much more than that. Let's learn about the relevant content with the network communication editor.
...[Details]
When the domestic discussion about "ZTE being banned" was hot, Alibaba officially announced the acquisition of chip supplier
Zhongtianwei
, but the investment amount was not disclosed. At t...[Details]
I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]
1. Determination of STM32 ADC sampling frequency 1. First, read some information to determine the ADC clock: (1) The ADCCLK clock provided by the clock controller is synchronized with the PCLK2 (A...[Details]
According to MEMS Consulting, Japan's
Toshiba
will further develop its automotive
LiDAR
(laser radar) semiconductor business, mainly focusing on: (1)
light receiving elements use...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
I am going to do a project recently, which requires counting the frequency and duty cycle of the external PWM signal. The chip used is STM32F207 Looking at the datasheet, I found that one of the ma...[Details]
This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]
The watchdog timer is used to prevent the program from running away due to strong interference noise caused by power supply, space electromagnetic interference or other reasons. Many microcontrollers...[Details]
At the beginning of the new year of 2018, after the release of the national photovoltaic policy, we found that the state’s support for village-level poverty alleviation power stations has not weake...[Details]
As the weather gets colder, the way the north and south spend the winter has become a hot topic and people talk about it. Although the north is particularly cold, because there is heating, it can s...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
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