Let’s start with a simple question: How fast can the GPIO flip speed of STM32 (for example, used to simulate timing) be? Write a piece of code to test: [code]void test(void) { for(;;) { GPIOA->ODR = (...
https://www.baidu.com/sf_edu_wenku/view/326acdef172ded630b1cb6b7 I don't know where the original post came from. . The first question. . Are α and β equal in the third equation? Otherwise, how did the...
I would like to ask how to turn off the automatic layer selection function for routing... When I draw a 4-layer board, I select Signal Layer 1 or Signal Layer 2 for routing, but as soon as I click on ...
Tips: Go to the official website of National Technology - Developer Community - Download, and you can download the latest version continuously.[attach]605263[/attach][attach]]605259[/attach][attach]60...
[i=s]This post was last edited by nich20xx on 2020-7-5 06:31[/i] # 1 Introduction The sub-GHZ RF module of STM32WL can operate in the 150~960MHz ISM frequency band, supports the transceiver functions ...
In recent years, China's automobile sales have continued to increase its proportion of global sales, from 23.7% in 2011 to 32.5% in 2020, showing a steady growth trend. In the process of development,...[Details]
Introduction When using a power meter or power analyzer for testing, we are generally required to select an appropriate range so that the measurement is more accurate. Generally, the measured value i...[Details]
When repairing or rewinding the three-phase winding of a three-phase asynchronous motor, the six lead wires must be distinguished at the head and tail, otherwise they cannot be correctly wired in the...[Details]
Apple's Mac and iPad satisfaction ratings remain the highest among PC and tablet manufacturers in 2020, according to new data shared by the American Customer Satisfaction Index. In the 2020 Home Ap...[Details]
In 2023, the competition in the automobile industry will officially enter the second half, and our country is also ushering in one milestone after another in the development of the automobile industr...[Details]
//Bitband operation to achieve GPIO control function similar to 51 //For specific implementation ideas, please refer to Chapter 5 (pages 87-92) of CM3 Authoritative Guide . //IO port operation macro...[Details]
SAN FRANCISCO and QINGDAO, China, April 02, 2019 (GLOBE NEWSWIRE) -- Via Licensing Corporation, a leader in collaborative licensing, and Haier, a leading global provider of better life solutions, ann...[Details]
Recently, according to foreign media reports, a 19-year-old Iowa girl, Victoria O'Connor, successfully recovered her stolen car with the help of the "Find My iPhone" feature of the iPhone. It...[Details]
Green and low-carbon transformation is being further promoted, and new energy storage is entering the fast lane of development. According to data released by the National Energy Administration recentl...[Details]
The calibrated on-chip RC oscillator provides a fixed 1.0, 2.0, 4.0, or 8.0 MHz clock. These frequencies are nominal values at 5V, 25°C. This clock can also be used as the system clock by programmi...[Details]
A few days ago, I made an electronic clock using STC89C52 microcontroller. After a period of experiments, I found that there is an error in the time accuracy, and one minute is about 4 seconds slower...[Details]
According to Gartner's recent 2024 CIO and Technology Executive Survey, more than 60% of Chinese companies plan to deploy generative artificial intelligence (GenAI) in the next 12 to 24 months. Sin...[Details]
According to foreign media reports, Sixth Sensor Technology, a Mumbai, India company, has independently developed a collision avoidance or prevention system - 6th Sense, which is used to prevent and ...[Details]
The auto-coupling step-down starting control cabinet is a commonly used motor starting device. It uses an autotransformer to reduce the starting voltage of the motor, thereby reducing the starting ...[Details]
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