[i=s]This post was last edited by donatello1996 on 2020-7-25 16:41[/i]Serious problems occurred when porting the official hardware decoding JPEG code. First, the files that the official JPEG decoding ...
donatello1996Special Edition for Assessment Centres
In the previous experiment ( https://en.eeworld.com/bbs/thread-1181181-1-1.htm ), we tested the camera and display of the R329 development board. We can use cv2 to read the camera and modify the displ...
[align=left][color=rgb(34, 34, 34)][font="]In the microcontroller system, pull-up resistors have gradually become the most stable and reliable main component. [/font][/color][/align][align=left][color...
Thonny has released version 4.0.0 with many changes and fixes. One major change is dropping support for Python 3.5, 3.6, and 3.7. There are about a dozen changes for MicroPython and CircuitPython.http...
When I calculate the fundamental power, I calculate Q1 and P1, but I don't understand the phase difference angle here. What is the value of u in this formula φ1=α+u/2? I know that α is the control ang...
Some students use ccs6 to compile my upgrade program and download the hex file generated by my ccs5. The upgraded user program cannot run normally, that is, after the upgrade, the "user code" will not...
After the United States imposed a trade ban in May this year, Huawei still maintained a certain market share, but market research companies analyzed that the reason why Huawei can maintain its market...[Details]
The 1.16 kW battery charger from QIANMO is a comprehensive solution that provides efficient battery charging, emphasizing design precision, cost-effectiveness and scalability....[Details]
Popular science fiction depicts the rise of machine intelligence with scenes of lasers, explosions, and, if not shocking, at least some philosophical fear. But there is no doubt that people are inc...[Details]
Some time ago, the Galaxy Book lon notebook made a stunning debut at Samsung's press conference. This notebook is equipped with a wireless charging function, which can "protect the battery life" of S...[Details]
CINNO Research Industry Information: According to the forecast of Korean brokerages, Samsung Display (hereinafter referred to as SDC) and LG Display (hereinafter referred to as LGD) will continue to ...[Details]
Recently, foreign media exposed a set of renderings of Apple's second-generation iPhone XR, created by designer Hasan Kaymak (video). The new phone has five color schemes, among which the shiny...[Details]
Recently, the well-known digital blogger @VetraxXiao Zhang TV posted a Weibo post like this: “It’s so funny. Some manufacturers are saying that other brands have “problems with their mobile phone sup...[Details]
On December 6, market research firm Omdia released a report titled "OLED Notebook Panel Development Plan and Outlook 2022", which showed that in 2021, Samsung Display's OLED notebook panel shipments ...[Details]
On July 15, the China Securities Regulatory Commission announced that the China Securities Regulatory Commission has recently approved the registration of the initial public offering of shares on the...[Details]
June 14, 2022 – XP Power has announced a new ultra-compact medical adapter power supply that meets the need for space-saving fanless solutions in home healthcare and hospital applications with power ...[Details]
1. The oscilloscope must be calibrated and compensated before use.
The purpose of calibration is to optimize the current measured value and not be affected by the external temperature environment...[Details]
Like general C language integrated development environments (IDEs) such as VC, Keil also uses "engineering" The source code and related files are managed in a project-based way. This management met...[Details]
Considering that there is no FPGA on the existing board, the design of DMA pulse position control is as follows
Two buffs
short buff1 ;
short buff2 ;
store frequency values, that is, the value o...[Details]
According to foreign media reports, chipmaker ON Semiconductor plans to lay off approximately 740 employees of the company and its subsidiaries in the first half of 2021. The company said the layoff...[Details]
The signal generator is a good helper for repairing radios, tape recorders, amplifiers and other audio equipment. Here we introduce a unique voice signal generator, which has the characteristics of sm...[Details]
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