I. Multiple choice questions (70 points) 1. "Baogu" refers to ( ) A farmer B wheat C locust D corn 2. "Pisio" is used to describe a person who ( ) A has a long tongue and spreads gossips B a pickled p...
Dear experts, I want to use 51 to control SIM300 to send and receive data through the serial port. Now I have connected the SIM300 module and 51 experimental board through the serial port, but the mod...
ZTE
The communication embargo incident has impacted the communication industry and sounded the alarm for the semiconductor industry. Let's follow the embedded editor to learn more about the r...[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]
1. Purpose Since the number of times the STM32 FLASH can be erased and written is limited, in order to protect our FLASH and extend the use time of the MCU, we can debug on the SRAM. SRAM is a ...[Details]
This part of the code in the void SystemClock_Config(void) function in the main file generated by stm32cubemx RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; This bug occurs, and the f...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
What are your expectations and ideas
for
the future of
Xiaomi Mi Band
?
Xiaomi Mi Band’s
official Weibo shared many netizens’ thoughts on
the future direction and functions
of Xiao...[Details]
China Energy Storage Network News:
"As the world's first third-generation blockchain, Anda Chain, which has China's independent intellectual property rights, will be launched globally in the ...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
At this exhibition, Microsoft brought its flagship intelligent voice products - XiaoIce and Xiaona. In addition, the voice will be equipped with an intelligent face recognition system. Let's see ho...[Details]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
Google may have foreseen the spread of artificial intelligence (
AI
) technology across apps, devices, and services, such as recognizing friends' faces in photos and giving smart speakers h...[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]
Example analysis: (using DMA mode) mian function: extern __IO u16 ADC_ConvertedValue; //The voltage value converted by ADC is defined in the context of ADC1_Init() float ADC_ConvertedValueLocal; ...[Details]
Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0...[Details]
Analogue and Mixed Signal
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