Sound pressure, sound intensity and sound powerWe all know that the three parameters that describe sound are sound pressure, sound intensity and sound power. There is a certain relationship between th...
1. Task Requirements
Use a 2-digit digital tube to realize a 30s countdown display. When the start button is pressed, the digital tube display data starts from 30 and decreases by one until it reaches...
Some time ago, I was using TouchGFX Designer to create a project. At that time, I was using 4G Internet access at home, and the creation often failed. Sometimes I spent the whole day downloading routi...
1. Background:
In many cases, due to limited hardware resources, but serial communication is needed, you can consider using an analog serial port;
2. Prerequisites:
To achieve a specific bps serial po...
[size=4]Finally I have some free time, and suddenly I remembered a long-lost wish, which is to port ffmpeg and mame to arm or dsp platform by myself. [/size] [size=4] So I found the website of ffmpeg ...
The auto-reload register TIMx_ARR is used to store the value compared with the counter value. If the two values are equal, an event is generated, the relevant event flag is set, and DMA and interrupt ...
In the power supply system, the MOSFET driver is generally used only to convert the output signal of the PWM control IC into a high-speed, high-current signal so as to turn the MOSFET on and off at...[Details]
We have mentioned before that the selection of capacitors is related to the application scenarios of capacitors in different circuits. This article mainly uses the bridge full-wave rectifier circui...[Details]
To apply free port communication, you must first define the communication port as free port mode, and set the corresponding communication baud rate and the above communication format. The user prog...[Details]
When the power module works inside an electric vehicle, there are two modes;
One is the electric mode, where current flows from the battery at the DC end to the motor at the AC end, converting...[Details]
Stopping the use of resin packaging can completely eliminate the deterioration factor, because the light generated by the LED is reflected in the resin packaging. If a resin reflector is used to chan...[Details]
The article is a trap. The main problems with these articles are: 1. Over exaggerating what is needed to learn this technology. 2. The recommended learning path is not systematic. 3. Overly dispar...[Details]
In-vehicle optical fiber communication
With the continuous development of ADAS (Advanced Driver Assistance System), intelligent vehicle networking, V2X and infotainment technology, the number ...[Details]
In August 2022, Zhang Feng, vice president of Huawei Digital Energy Technology Co., Ltd., and Liao Zhanghui, executive director of Guangxi Lianchu New Materials Technology Co., Ltd., visited a liqu...[Details]
— Qualcomm has served more than 9,000 customers through indirect channels, And use its cutting-edge technology to help a wide range of manufacturers and solution providers seize the huge opportunitie...[Details]
NEC Electronics and Western Digital jointly promote the popularization of USB3.0
NEC Electronics and Western Digital Corporation, a world-leading supplier of hard disk drives, recently ann...[Details]
SHANGHAI, January 12, 2021 – HARMAN International today unveiled two new proprietary connected audio innovations, the Live Interactive Virtual Experience (LIVE) and the Personal Audio Headrest Platfo...[Details]
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
Dracula Technologies has announced that its LAYER organic photovoltaic (OPV) technology is now fully compatible with STMicroelectronics' latest ultra-low-power microcontrollers.
To impro...[Details]
In modern industrial production, frequency converters, as an important electrical equipment, are widely used in speed control of various mechanical equipment. Through the speed control function of ...[Details]