171-004-29P-.110-P1CLMH

To build an LED-based system, the following tasks need to be completed: 1. Determine the number of LEDs to be used and the connection scheme between the LEDs; 2. Select linear mode or switching mo...[Details]

According to Jiwei.com, Wall Street had a bad start to the fourth quarter on October 1st. The U.S. Manufacturing Purchasing Managers' Index for September released by the Institute for Supply Manageme...[Details]

Some time ago, OPPO phones with model numbers PEGT00 and PEGM00 appeared on the website of the Ministry of Industry and Information Technology and passed the network access license. There are reports...[Details]

When the output frequency of the variable frequency speed regulator (also called inverter, English abbreviation VFD) is 0, the motor cannot start because the motor does not have enough starting tor...[Details]

I have just started and I am determined to learn Linux, so I found the mini2440 I bought in college and started tinkering with it. I followed the manual and learned a lot. I encountered a lot ...[Details]

In C51, what are the rules for function return value passing? Answer : (1) Parameter passing during calling There are three cases: when there are less than or equal to 3 parameters, they are pass...[Details]

PCM1712U Homemade Audio DAC Circuit The DA converter 16BIT has a built-in 8x oversampling digital filter, which simplifies the external analog pass-low filtering, and the pass-band fluctuation and ...[Details]

Today, ASML released its first quarter financial report for 2020. In Q1, it achieved net orders of 3.1 billion euros, net sales of 2.4 billion euros, a gross profit margin of 45.1%, and a net profit ...[Details]

0 Introduction Ultrasonic waves are mechanical vibrations in elastic media. They are often used to measure distances due to their strong directivity, slow energy consumption, and long prop...[Details]

      Samsung's foldable screen phone has failed again! 　　According to foreign media aroged, users of the Galaxy Z Flip and Z Fold series of mobile phones in South Korea have recently encountered ser...[Details]

Power semiconductors are the core of power conversion and circuit control in electronic devices. They mainly refer to discrete semiconductor devices that can withstand high voltage or high current. T...[Details]

Development board: tq2440 Tools: Win7 + VMware + Debian6 U-boot version: u-boot-2015.01 Linux version: linux-2.6.30.4 that comes with Tianxiang GCC version: gcc version 4.3.3 (Sourcery G++ Lite 2009q...[Details]

With the development of large-scale extreme manufacturing technology, the shapes of large workpieces are becoming more and more complex, and the precision requirements are becoming higher and higher. ...[Details]

    There is a backup register (BKP) in STM32. One of its functions is to store the check register of the RTC check value, that is, it has the RTC calibration function. Output the RTC calibration clo...[Details]

Servo systems are an indispensable part of modern industrial automation and precision control. According to different control methods, servo systems can be divided into open-loop servo systems, clo...[Details]