I feel a bit disadvantaged this time, because the digital tubes are one inch with common cathode, which are big and bulky. Each tube is connected to an 8050 transistor, and then connected to 8 wires. ...
[i=s]This post was last edited by Yanyuan Technology House on 2019-6-12 16:16[/i]question:The square wave signal input interface on the PCB circuit board uses a 2.54 pitch bullnose socket, and the wir...
[If you don't understand, just ask] The voltage balance equation in motor science is U=E+IR+jIX. Here we take a permanent magnet synchronous AC motor as an example. U is the voltage applied to the thr...
As shown in the picture above, the pink line was originally the Keep-Out Layer. Later, when I imported the CAD file (.dwg) into AD2017, this appeared when I opened the previous project file. It used t...
Circuit design is not something you can take for granted and design it on the spur of the moment. There is a huge difference between designs made with or without experience.The Reference Circuit Colle...
For years, the automotive demise of low-dropout linear regulators (LDOs) has been predicted. However, LDO regulators continue to survive and even thrive because they are inexpensive and easy to use. I...
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
According to Arsen, the OPPO Find X5 Pro+ phone may be under development, and he has revealed the main configuration of the device. It is revealed that OPPO Find X5 Pro+ will be equipped with a 6.7...[Details]
Artificial Intelligence (AI) has a close relationship with Data Science, which aims to extract business value from a collection of information. This value includes expanded predictive capabilities,...[Details]
1. Three elements of interference
In a single-chip microcomputer application system or other electronic equipment, the degree of interference a circuit is subject to is described by the following for...[Details]
With D/A, we can not only output square wave signals, but also any waveforms, such as sine wave, triangle wave, sawtooth wave, etc. Taking sine wave as an example, we first need to create a sine wave...[Details]
Issues to consider when selecting an electromagnetic flowmeter: 1. The measured liquid must be conductive. It cannot be used to measure the flow of non-conductive media such as gas, oil and organic...[Details]
"Based on the experience of fuel cell research and development, solid-state batteries still need to be developed step by step. First, the electrolyte problem, then the negative electrode problem, a...[Details]
There are many factors to consider when deciding on a metal joining method, including both tangible and intangible characteristics. Depending on the application, the investment will vary based on t...[Details]
This electronic lock can be used for any type of
iButton
you may have because the only thing needed is the internal serial number, which is different for each iButton. The command used to...[Details]
Well-known whistleblower @BenGeskin drew the latest rendering of Xiaomi 11 based on known leaks, and the rear triple camera is in a rectangular shape. Judging from the renderings, Xiaomi 11 should...[Details]
On December 20, 2021, Suzhou Nanochip Microelectronics Co., Ltd. (hereinafter referred to as "Naxin Microelectronics") obtained the ISO 26262 functional safety management system ASIL D level certific...[Details]
1. What are the main reasons and measures for the poor repeatability of the measurement results of the moisture meter? 1) The sample is not uniform, that is, the sample has different components. The ...[Details]
pc:Centos5.4
Kernel: Linux 3.0.1
Development board: ok6410
Cross compiler: arm-linux-gcc 4.4.1
LCD Driver
How to write LCD driver?
1. Allocate an fb_info structure: fr...[Details]