I am new to zigbee. I am using a zigduino development board with an MCU model of Atmel's Atmega128RFA1. I want to port the zigbee protocol stack to it, but I don't know where to start. I have read the...
The P10_16X32LED dot matrix schematic diagram, which is currently hot on the market, is exclusively released! Due to confidentiality, the manufacturer does not provide the schematic diagram and source...
Whether it is LED, fluorescent lamp or incandescent lamp, we need to understand one of the important parameters - power factor (PFC). Let's learn what power factor is. 1. Power factor Power factor rep...
[b][url=http://www.deyisupport.com/blog/b/behindthewheel/archive/2015/05/18/51962.aspx][font=微软雅黑][size=3]A large wave of car head-up displays is approaching[/size][/font][/url][/b] [font=微软雅黑][size=3...
I am a novice who has just started my internship. I need to learn to use the SPI protocol to develop wifi. In fact, the code is already written by others. Unfortunately, I have never learned anything ...
The performance of ARM processors is increasing day by day, and in many application systems, there are ARM+DSP solutions. This article proposes a new idea to use ARM to compile DSP code online, downlo...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[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 Guang...[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
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[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]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[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]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]