B45198-P1225-M109

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]

“美国的禁令可能导致中兴进入休克状态。”4月20日下午3点，中兴通讯董事长殷一民出现在了深圳中兴总部。美国的禁运决定着这家有8万员工的企业生死。下面就随嵌入式小编一起来了解一下相关内容吧。 一周前，4月16 日，美国商务部下令禁止美国公司向中兴出售元器件等产品，为期7年。消息一出，舆论哗然，“缺芯少魂”成为热词，其背后折射出的核心技术短缺刺激着所有国人。 数据显示...[Details]

In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]

Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]

Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode.  Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows:  ...[Details]

Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]

In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]

This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]

OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]

1. Common knowledge about DMA.  1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU.  2. Mode: There are three tran...[Details]

/*-----------------------------------------------     Name: DS18b20 temperature detection LCD display     Forum: www.doflye.net     Written by: shifang     Date: 2009.5     Modification: None     con...[Details]

Title: Use two dynamic digital tubes to display from 0 to 60, output from the P1 port of 89C51, without adding a decoder, and directly connect the digital tubes. Note that they are dynamic digital tu...[Details]

/****************************************************************** **                                                        **  File : TimerA.c     | Timer Interrupt |                              ...[Details]

In 2014, the production and sales of new energy vehicles in China exceeded 80,000 units, and the development trend is encouraging. In order to enable new energy enthusiasts and junior R&D personnel 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]