[i=s]This post was last edited by Rambo on 2017-9-27 15:46[/i] [align=left][color=#333333]Signal slots are one of the mechanisms that the Qt framework is proud of. Skilled use and understanding of sig...
[i=s]This post was last edited by ID.LODA on 2020-4-26 17:32[/i][TOCM]
RT-Thread learning record
1. Create a new project in RT-Thread Studio
2. Common components learning: a brief introduction to cons...
Hi: Friends! Good evening. First of all, I would like to thank the friends in the forum for their positive response, support for domestic brands, and willingness to spend time testing. At present, som...
No image after servfox runs~~ Problems when using the camera with 301 chip on 2410 development board: I use servfox as the acquisition end of the development board and spcaview as the receiving end of...
1. Introduction to DS18B20 temperature sensor
1. When using a single bus interfaceto connect to a microprocessor, only one line is needed to achieve two-way communication between the microprocessor an...
I am writing a paper recently. I would like to discuss the following questions: When estimating the system accuracy, can the AD conversion error be estimated? In addition to the reference voltage erro...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]