Receiver sensitivity index analysis This article analyzes some problems encountered in receiver design and testing, such as the impact of noise coefficient on receiver sensitivity; the impact of local...
I want to talk about something other than studying...
Well, I am a novice among novices, a novice among novices. I thought that no one would pay attention to my blog posts... But, but! Sister Soso and...
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....
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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]
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. 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]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]