[i=s] This post was last edited by paulhyde on 2014-9-15 08:55 [/i] I am thinking about using DDS (AD9951) as a signal source. Has anyone used it? Thanks for your answer......
When selecting devices,The first thing that comes to mind is of course to choose the device with the index closest to your needs.Then choose the cheapest or most cost-effective device from a large num...
[table=98%,rgb(238, 238, 238)] [tr][td]I need to make an RFID antenna multiplexer recently. The frequency is 13.56M and I need to choose a multiplexer. Please recommend a suitable parameter. I have fo...
Q: How can high-performance analog-to-digital converters have many power connections and only a few ground connections? A: Lead frame chip scale packages (LFCSP) and quad flat packages (QFP) with expo...
[i=s]This post was last edited by Bai Ding on 2015-12-26 09:21[/i] [[b]Abstract[/b]]Professor Hu Zhengming's main contribution is the invention of the fin field effect transistor (FinFET).[p=null, 2, ...
When I was asking about the registry, I came across the PlatformBuilder environment. However, I used the mobile SDK installed in vs2005 to develop win32 projects. I would like to know the difference b...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
Photovoltaic inverters are the core equipment of photovoltaic systems. Their main function is to convert the direct current generated by photovoltaic modules into alternating current that meets the...[Details]
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
The status of interrupts in developing embedded systems is absolutely unquestionable. In the era of C51 microcontrollers, there were only 5 interrupts, including 2 external interrupts, 2 timer/counte...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
This is a "cooperation" that is related to the future development of China's semiconductor industry. Let's follow the embedded editor to learn more about the relevant content.
Last week, a...[Details]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]
The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
The frequency calculation formula of the PWM wave generated by the output comparison mode of the timer is: 72M/((2*(arr+1))*(psc+1) ) For example, if you set: PWM_Init(1000-1,72-1); (PWM_Init(arr,psc...[Details]
Assume that the crystal frequency of the microcontroller is 6MHz. It is required to use timer 1 in mode 0 to generate a continuous square wave pulse with a period of 500us, and output it from P1.0. T...[Details]
I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]
China Energy Storage Network News:
Recently, the "Internet +" smart energy demonstration project, which is supervised by the State Grid Corporation of China and led by the Global Energy Inter...[Details]
Multi-byte binary division The dividend is 3 bytes, in units 0x20, 0x21, and 0x22, 0x22.7 is the most significant bit and 0x20.0 is the least significant bit. The divisor is 2 bytes, in 0x30, 0x31. A...[Details]
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