After introducing QT in the previous article, we started to test it in other ways. For example, our development board also supports external cameras. This time we tested an open source project, a face...
[i=s]This post was last edited by wsw_whu on 2019-11-27 22:29[/i]Dear friends:The AD version I use should be the cracked version 19.0, but there are always problems when adding horizontal lines to let...
Classic tutorial, the information is very clear, and it is in Chinese.The concepts of signals and systems appear in a wide range of fields, and the ideas and methods related to these concepts play an ...
#Linux's CPU cooling fan keeps spinning, and the CPU usage is as high as 99%. ## Use the SecureCRT tool to first run the program to be tested, then set the network communication port, connect the IP a...
Author: Joshua Zhu, ST engineerClick to download pdf document to view:Keywords: BlueNRG-MS, center frequencyQuestion: When developing products using BlueNRG-MS, customers often ask: Why is the output ...
[i=s]This post was last edited by cruelfox on 2019-5-25 17:12[/i] The analysis in my previous post has already hinted that IPCC hardware IRQ is related to BLE communication. IPCC is one of the communi...
Key Features and Specifications Wide dynamic range for a wide range of applications: ±20V differential, ±60V common mode High input resistance and low input capacitance result in minimal probe loadin...[Details]
Edge finders are commonly used optical metrology instruments for on-site inspection of workpieces in the electromechanical industry. For a long time, in order to ensure the imaging quality, measur...[Details]
Let’s talk about the matrix keyboard separately here. There is no debounce function here. You can look at the previous independent keyboard with debounce function. sfr P4=0xC0; //4 lines sbit r1=P...[Details]
In the sodar system, the transmitter emits acoustic signals of different frequencies in a directional direction, and then receives echo signals at different distances. The deviation of the frequenc...[Details]
Looking at the example in Chapter 6 of "Embedded Linux Application Development", I saw a sentence:
adrl r2,men_cfg_val
At first I was confused about adr1, but later I found out that it is not the n...[Details]
It's the third day of learning STM32, and I've only learned key input. This progress is ridiculous... Who told me that my C language foundation is not good, and I haven't learned analog and digital e...[Details]
Modern precision measurement technology is a comprehensive interdisciplinary subject that integrates optics, electronics, sensors, imaging, manufacturing and computer technology. It involves a wide r...[Details]
1 Introduction
As a semi-controlled power semiconductor device, the basic function of thyristor is to rectify, regulate and chop the voltage to meet the actual needs. At present, thyristor rec...[Details]
With the development of science and technology, the application of embedded systems is becoming more and more extensive. In order to develop embedded software for radio frequency power calibratio...[Details]
Last year, Huawei launched the MatePad Pro, which uses the punch-hole screen technology used on mobile phones on tablets, reducing the borders, increasing the screen-to-body ratio, supporting "multi-...[Details]
Wi-Fi CERTIFIED HaLow™ has emerged as an important wireless protocol in the rapidly growing Internet of Things (IoT), specifically developed to meet the long-range, low-power connectivity needs of ...[Details]
1.Technical name: The world's first CMS dedicated chip solution 2.Technical description: Ouye Semiconductor's electronic exterior mirror system solution is implemented using Longquan 560 Mini, ...[Details]
In actual production and life, it is often necessary to test the continuity of the line. The common method is to use the resistance range of the multimeter for testing, which is simple and practical ...[Details]
Tracer technology is divided into artificial tracer and natural tracer, and has a long history of application in hydrogeological surveys and other exploration work. Especially in karst hydrogeological...[Details]
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