Just like after the language is written, can you create a symbol for the current file and input it using the language? That is, to achieve the so-called hierarchical structure, otherwise it would be t...
[i=s]This post was last edited by damiaa on 2014-12-27 18:49[/i] There was a problem when upgrading. It kept getting stuck. It couldn't move. I don't know why.Look at the lower right foot. I was very ...
Key peripheral test - serial port
In order to complete the motor drive test, you need to first complete the driving of several key peripherals: First test the serial port peripheral, which is a key in...
Position: Embedded BSP (Board Support Packages) Software Development Engineer Responsibilities: Main work includes, but is not limited to: Boot, Linux power-on process, Linux driver design, developmen...
[i=s]This post was last edited by weizhongc on 2022-8-16 13:51[/i]Because sometimes the factory needs to synthesize files into a bin file of the entire flash size. I looked at the official one and fou...
I have asked many friends but they can't help me. Is there anyone who can help me? Please leave a message and I will contact you. I will not treat you unfairly....
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
FPGA/CPLD
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