On New Year's Day, I spent 39 silver coins on Taobao and bought a 2.4-inch TFT color screen module. I used the code provided by the store owner and STC's 51 single-chip microcomputer to drive it and i...
[i=s]This post was last edited by hehung on 2022-1-18 21:45[/i]As an open source embedded real-time operating system, FreeRTOS is widely used in the embedded industry. It is also necessary to integrat...
After the LCD was replaced, it was changed from the original 320*240 to 640*480. The BIOS startup picture can be displayed normally at first, but when it starts to read NANDFLASH, the lower part of th...
When I first used a multimeter, my teacher told me that choosing the appropriate range would achieve the best accuracy.
For example, a multimeter has ranges of 1V, 5V, 10V, and 50V. The target voltage...
The Double 11 Shopping Festival is coming soon. At the request of relevant departments, I would like to share three short videos on how to prevent telecommunication fraud. I hope that the cases in the...
[size=4] Transient interference of voltage and current is the main cause of damage to electronic circuits and equipment, often causing immeasurable losses to people. These interferences usually come f...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
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