I recently tried 1602. It worked at first, but then it suddenly stopped burning data.
The first row is filled with black grids! ! ! !
, The second line is not displayed!!
Why is this?
Which prawn can ...
Generally, power supply efficiency improvements can be achieved by increasing the complexity or size (and therefore cost) of key switching and magnetic components. Many early LED lighting power suppli...
I made a configuration file. The program runs under WinCE. When running, it needs to read the configuration file, but it is only read, not written. After a period of time, the text file is full of gar...
Application of augmented reality smart glasses artificial intelligence system in aircraft engine maintenance : https://training.eeworld.com.cn/course/3542Application of augmented reality smart glasses...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
With the rapid development of technology, automotive intelligence is increasing at an unprecedented rate. This not only enhances vehicle functionality and comfort, but also places higher deman...[Details]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
Blackfin® 16-/32-bit embedded processors offer high performance, low power consumption, flexible software features, and scalability, making them suitable for converged applications such as multi-fo...[Details]
The motor is a very important component for new energy vehicles. In terms of vehicle power, pure electric vehicles use electric motors instead of traditional diesel/gasoline engines. For electric v...[Details]
We know that the power output by the engine does not directly act on the wheels to drive the car, but needs to pass through a series of power transmission mechanisms. So how is the power transmitte...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
Abstract: This design uses field-effect transistors to create a tube-like audio power amplifier. The preamplifier uses a single Class A transistor, while the power stage utilizes Class AB push-pull...[Details]
Simply put, the cockpit domain control chip is the chip that controls the cockpit domain. It's like the brain of the cockpit, responsible for processing and controlling signals from various devices...[Details]