[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 ...
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In the process of writing a program, as the amount of code increases, if all statements are written into the main function, on the one hand, the program will appear messy, and on the other hand, when ...
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...
Texas Instruments (TI) has announced two 16-channel constant-current sink LED drivers for large color displays , meeting the complex power requirements of light-emitting diodes (LEDs) in larg...[Details]
Summary: This circuit monitors resistance values
in noisy
or other harsh environments. Connecting across the isolation transformer secondary winding, the unknown resistance is reflected to...[Details]
In modern air combat, optoelectronic countermeasure equipment plays an important role in war. Compared with active detection systems such as radar, infrared detection and tracking systems have the ad...[Details]
On July 23, Huawei Technologies Co., Ltd. disclosed the invention patent of "A method and device for determining the depth of accumulated water", publication number CN113168535A, and the application ...[Details]
Abstract: This application note describes an extended-scan method that can extend the keyboard scan range of the MAX6954 and MAX6955 LED display drivers from 32 to 80 keys.
The MAX6954/MAX6955 are...[Details]
From HP to Agilent to Keysight Technologies, it has been fifty or sixty years. With this accumulation of time, you can be confident in Keysight's measuring instruments. This is a professional manufac...[Details]
Home automation is booming. There is a growing demand for new wireless applications, including security systems, smart entertainment systems, and more. Tony Testa, Director of Marketing, Wireless Con...[Details]
The maximum range of the resistance range of 31/2-digit and 41/2-digit digital multimeters is generally 20MΩ. For a 31/2-digit digital multimeter, using different resistance ranges can only measure re...[Details]
As an important tool for modern enterprises to motivate employees' potential and one of the main factors affecting job hunting and career choices, compensation has always been the focus of attention ...[Details]
Batteries, motors and electronic control systems are the three key components of new energy vehicles, among which the power battery is the most critical link, which can be said to be the "heart" of n...[Details]
In real life, many people forget to bring something when they go out, such as keys, wallets, etc. Nowadays, mobile payment is so convenient that it is normal to forget to bring wallets, but keys must...[Details]
As of August 2022, Xpeng Motors has a total of 1,000 self-operated charging stations online, including 799 self-operated supercharging stations and 201 self-operated destination stations, covering al...[Details]
Recently, Jiangsu Meimiao Energy Storage Technology Co., Ltd. (hereinafter referred to as "Meimiao Energy Storage") and Carbon Fusion Pte. Ltd. (hereinafter referred to as "Carbon Fusion") signed a...[Details]
The Boeing 737 MAX 8 aircraft suffered two major air crashes in less than half a year, causing concerns about the safety of this type of aircraft. It also triggered attention to digital twin technolo...[Details]
The dual-purpose variable DC regulated power supply is a must-have instrument for radio enthusiasts to use during maintenance. Here is an output of ±1.25V~15V or +1.25V~30V, with an output current ...[Details]