The output voltage rises, the cathode voltage of TL431 drops, the P tube is turned on, and the output voltage drops.
But doesn't the transistor go directly to the ground when it is turned on? Is there...
[i=s]This post was last edited by jinglixixi on 2021-9-13 17:09[/i]AB32VG1 is equipped with 6 PWM output channels. If PWM is used to control RGB_LED, a breathing light effect can be produced. The pin ...
Sometimes you need to embed some assembly code in a C51 program. In this case, you can use the usual approach: write an assembly function according to the interface between C51 and assembly, and then ...
The Chinese New Year is coming, and the holidays are approaching. Have you collected all the five blessings on Alipay recently? Micron invites everyone to collect blessings during this Chinese New Yea...
Network analyzer is a comprehensive microwave measuring instrument that can perform scanning measurements in a wide frequency band to determine network parameters. It can directly measure the complex...[Details]
1. stm8l152 has 5 low power modes: wait mode, low power run mode, low power wait mode, active-halt mode, halt mode. 2. In halt mode, the CPU and peripheral clocks are stopped and can be awakened by...[Details]
As the complexity and functionality of mobile communication devices grow exponentially (as driven by Moore's Law), the cost of testing them is also increasing. The challenge facing engineers is to fin...[Details]
Development platform: AVR128 Transplantation system: uC/OS-II Function: The system establishes two tasks, operating "8 LEDs" and "buzzer" (attached with the schematic diagram of the LED and buzzer ...[Details]
I believe this article is also a HOWTO that is hard to find in China (until I wrote it). My original purpose was to use PHP on ARM. I tried Busybox's httpd and boa, but they couldn't easily interface ...[Details]
Digital multimeters know how to measure AC and DC voltages. But how well do you take advantage of the other features on your digital multimeter? Have you used these features? The "Min/Max/Average" fu...[Details]
An oscilloscope is a commonly used electronic instrument, mainly used to observe and measure various electrical signals. In conjunction with various sensors to convert non-electrical quantities into ...[Details]
;On some touch-screen phones, there is a slide-to-unlock operation. ;On laptops, passwords are usually entered using the keyboard. ;Some people set the password to: ASDFGHJKL;'Enter. When turning on ...[Details]
There have been reports before that Apple may cancel the Mimi model of the iPhone, mainly because sales are not very good. According to tipster LeaksApplePro, next year's iPhone lineup will co...[Details]
According to Phoenix.com, in the China 5G Enhanced Technology R&D Test organized by the IMT-2020 (5G) Promotion Group, Huawei used the Mate 20X 5G version of the mobile phone to make the world's firs...[Details]
"By using NI products, we have greatly shortened our system development cycle and experimental verification time." – Fulu Wang, Northeast Agriculture University
The Challenge:
With NI LabVI...[Details]
At the recent Shanghai Auto Show, OnStar used its own booth for the first time, vividly simulating a day in the future of connected cars for users. From June 11 to 13, OnStar also officially landed o...[Details]
Programming is a link in the process of using computers to solve practical problems. The process of using computers to solve practical problems includes two stages: establishing mathematical models,...[Details]
1. Project Background
Repeaters are indispensable in modern communication systems. However, if the isolation between the transmitting and receiving antennas of the repeater is not enough a...[Details]
October is the golden period for project construction. Damao Banner has sounded the charge for key project construction. With a running attitude, a competitive mentality, and a scrambling state, it is...[Details]