I bought a 12864 LCD PSB can not be grounded. Once grounded, the 12864 will be black.I found the problem through Baidu. The manufacturer connected psb and vcc by default, so the default connection is ...
The program executes to: if(!SetupDiCallClassInstaller(DIF_INSTALLDEVICEFILES, hDevInfo, &deviceInfoData)) { // happen error here! errCall = "SetupDiCallClassInstaller"; //goto failed;} A 'Device Inst...
Activity details: [Free evaluation: AI development board based on Allwinner R329 chip]Updated to 2021-10-14Evaluation report summary:@tobotUsing R329 to identify QR codesInitial understanding of R329 ...
Super cool! See how the VR smart glasses artificial intelligence system repairs aircraft engines : https://training.eeworld.com.cn/course/3541Application of augmented reality smart glasses artificial ...
The DAC output waveform is curve 1 (dark blue). Curve 2 (light green) can be regarded as a stable periodic signal. The DAC output waveform is gradually shifted to the right (relative to curve 2). In t...
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]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[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]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]