[i=s]This post was last edited by xy598646744 on 2020-6-9 22:39[/i]I recently got an old spectrum analyzer Advantest R4131D. The frequency is accurate, but the power is inaccurate. I disassembled it t...
First of all, I would like to thank EEWORLD and Digi-Key Electronics for providing me with the opportunity to be selected as a finalist, so that I can gradually realize and demonstrate my ideas. This ...
This is a picture of the rotor of a three-phase asynchronous motor that I sawSpeaking of the rotor, it is usually made of 45 carbon steel (carbon-iron alloy) with slots and aluminum bars. My question ...
[i=s]This post was last edited by mameng on 2021-10-22 21:46[/i]STM32U5 highlights Compared with the traditional STM32Lx series low-power MCU, STM32U5 has many advantages:First: 40nm process technolog...
GD32L233C-START Development Board Study Notes ( V )
GD32L233C-START Development Board USB Example
From the GD32L233xx series MCU data sheet: "GD32L233xx_Datasheet_Rev1.0.pdf", we can see the following...
Introduction Are we ready for self-driving cars? That’s a question I’ve been asking myself lately, and maybe you’ve been asking the same question too! In my case, of course, I’ve been somewhat sel...[Details]
On August 25, a poster about Hongmeng OS and Geely on Weibo attracted attention. It is understood that the words "HarmonyOS" and "Welcome to Hongmeng" were marked on the poster, and Geely Boyue Pro a...[Details]
On February 23, MWC Shanghai officially opened with the theme of "Harmony and Coexistence". Yang Jie, Chairman of China Mobile, pointed out in his opening keynote speech that the economy and society ...[Details]
When the coil passes through the current, a magnetic field is formed in the coil, and the induced magnetic field generates an induced current to resist the current passing through the coil. We...[Details]
As shown in the figure: pitch 5mm. Motor resolution 1000. Reduction ratio is 5.
How to write the program to position 100mm and then return to the origin?
Analysis: How many pulses a...[Details]
The massive market for LED lighting is ready for activation The economic benefits of LEDs are mainly reflected in their better power saving effect and illumination efficiency. In addition, due t...[Details]
IAR Embedded Workbench for Arm integrated development environment now fully supports application development based on industrial and automotive MCUs such as National Technology N32 G/L/WB/A
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Despite the instability of the global market due to the COVID-19 pandemic, the Galaxy Fold 2 is still following the initial release schedule set by Samsung a few months ago. Foreign media Sammob...[Details]
IC design company MediaTek held an online earnings conference today (31st). Its quarterly consolidated revenue was NT$61.567 billion (same unit below), up 16.8% from the previous quarter and 1.8% fro...[Details]
Spectrum analysis is a common method of signal analysis. Through frequency domain analysis, many signal problems that are unclear or ambiguous in the time domain can be discovered. Oscilloscopes are ...[Details]
Bandwidth of oscilloscope (concept - very detailed)
Bandwidth is called the first indicator of oscilloscope and the most valuable indicator of oscilloscope. The division of oscilloscope market is oft...[Details]
Function LCD display Chinese characters, characters and pictures illustrate Chinese characters, characters and pictures need to use the corresponding module software to get the corresponding c file...[Details]
GPIO (General Purpose Input Output) is a general-purpose input/output port; each GPIO port can be configured as input or output through software; the output is divided into push-pull and open-drain. ...[Details]
As the number of cars continues to grow, more and more attention has been paid to the pollution of automobile emissions to the environment, and the continuous introduction of increasingly stringent em...[Details]
2011 was the year of the explosion of high-definition products in the surveillance field. The words "high-definition" and "IP" became well-deserved popular words. More and more manufacturers joined...[Details]