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In the past few days, the news that ZTE was "banned" by the US Department of Commerce has triggered widespread reflection and concern in various domestic industries about the lack of independent co...[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]

In the war without gunpowder between China and the United States, ZTE has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[Details]

Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]

China Energy Storage Network News: The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market. The rallying cry for the tr...[Details]

    With the implementation of the first version of the NR sub-6GHz draft of 3GPP in December 2017, and the subsequent Phase 2 drafts, semiconductor manufacturers and terminal manufacturers began to ...[Details]

This routine is also a classic routine on the development board. I modified the framework of the program to make it more suitable for future calls. The specific 4*4 keyboard scanning principle is rel...[Details]

1. Heart rate measurement principle 1. What is a heart rate module? The heart rate module is professionally used to monitor the heart rate of the wrist, fingers, forehead, earlobe, chest and other ...[Details]

In recent years, in addition to Huawei Kirin chips in the mobile phone industry , Xiaomi's own processor Pengpai S1, AI chip start-ups such as Cambrian, Horizon, and Deephi Technolo...[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]

Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[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]

1. The host sends a read /****************************************************************** **                                                        **  File : SPI.c     | Master Send |            ...[Details]

#include avr/io.h #include avr/interrupt.h int main() { DDRB|=0X20;//Set PWM waveform output, connected to port PB5, see the comment of OCR1A=15625 for details DDRE=0X04; PORTE=0X04; DDRA=0XFF; P...[Details]

According to Kyodo News, Japan's NTT Institute for Physical Science and others announced on November 20 that they had successfully developed a new ultra-high-performance quantum computer th...[Details]