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 ...
There are many reasons why engineers change jobs, and we can see some clues from their satisfaction with their current companies and careers. This survey shows that 19.9% of them are satisfied with th...
#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 ...
Samsung launched its new entry-level Galaxy A01 Core in its official Indonesian store today. The phone uses a 5.3-inch PLS TFT LCD screen with a resolution of 1480×720, a non-full-screen design...[Details]
1. Configuration of TIA Portal
Create a new project in the TIA Portal software. In this case, Siemens S7-300 PLC is selected, and its model is CPU 313C-2DP. This PLC is an integrated PLC with ...[Details]
The long-standing two-AA (alkaline or NiMH) power source is the most common battery solution for consumer handheld devices, especially in
GPS
navigation units, digital cameras, and
MP3
playe...[Details]
Rapid technological advances have significantly improved the performance of light-emitting diodes (LEDs) and solar photovoltaic cells, which in turn help improve the performance of end applications. ...[Details]
The buck-based structure can be well matched with many loop control structures without considering the stability limitation. Hysteresis control is suitable for applications where the switching freq...[Details]
In the field of low-end microcontrollers in embedded systems,
it has been nearly
30
years since the birth of
8-
bit microcontrollers
. In the flourishing microcontroller family...[Details]
1 Introduction Currently, the embedded development field has more and more product requirements. Such as communication speed, stability, product functions, scalability, portability, adaptability, etc...[Details]
With the rapid development of science and technology, the world's energy crisis is becoming increasingly serious. The use of conventional energy can no longer meet the needs of the rapid growth of th...[Details]
At present, the small and medium-sized LED display systems on the market generally use traditional single-chip microcomputers as the main control chip. For LED large-screen display screens, due to the...[Details]
Although we have seen many cost-effective digital products, as the saying goes, you get what you pay for. Given the extremely low product price limit, the emergence of loopholes is to be expected. ...[Details]
Recently, a piece of news from across the ocean went viral. At around 19:00 local time on July 13, a power outage occurred in Manhattan, New York, USA. Times Square was dark, Broadway performances ...[Details]
1. Overview
Ultrasonic level gauges and radar level gauges of certain specifications have well-designed suitable media and commonly used measurement environments; the accuracy and reliability cha...[Details]
Multimeter cleverly installed
with small capacitor measurement gear When using the ordinary multimeter R×1kΩ gear to measure a large capacitor, the charge and discharge are more ob...[Details]
Wireless doorbells are also called wireless remote control doorbells or remote control doorbells. Wireless doorbells use super-regenerative wireless modules to achieve wireless remote control. Wirele...[Details]
The three-phase protection device for three-phase AC motors is a protective device that can monitor the running status of the motor in real time. When the motor has abnormal conditions such as phas...[Details]