I like embedded systems more, but I don't work in this field. I can only learn by myself (protocol stack) as a hobby. Now I am familiar with UCOS2 system, can read source code, and understand task mec...
[code]UART3Init(); RS485_SendByte(0x00); Delay2(10); hh[0]=0x66; MYDMA_Config(DMA1_Channel3,(u32)&USART3->DR,(u32)hh,1);//DMA1 channel 3, peripheral is serial port 3, memory is hh, length 1 USART3->CR...
I would like to ask for help from all the experts. I am recently debugging a board and need to export the data of an array of 1000 in the program. However, I have searched for a long time and cannot f...
The ism frequency band in Europe and North America is mainly 900M. I wonder if anyone has considered or made a 900 zigbee module? Please introduce it....
Original title: ESP8266 Guide: Role, Function and Development Approach [url]http://makerpro.cc/2015/08/esp8266-guideline/[/url] [p=26, null, left][color=rgb(51 , 51, 51)][font=Raleway, Arial, sans-ser...
This is my first post on ee. I hope to share and learn with you~ I received the express delivery on the weekend. During that time, the forum left my phone number wrong. This incident made me meet the ...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
ARM Technology
京公网安备 11010802033920号
EEWORLD
