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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]

Dong Yang, executive vice president of the China Association of Automobile Manufacturers, said on the 26th that according to the authorization of the Ministry of Industry and Information Technology...[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]

When the domestic discussion about "ZTE being banned" was hot, Alibaba officially announced the acquisition of chip supplier Zhongtianwei , but the investment amount was not disclosed. At t...[Details]

LAN8720 configuration:  IP: 192.168.192.30  Gateway: 192.168.192.1 A high frequency of ARP packets is detected The content of the packet asks for the mac address of 192.168.192.1, and asks the resp...[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]

At the beginning of the new year of 2018, after the release of the national photovoltaic policy, we found that the state’s support for village-level poverty alleviation power stations has not weake...[Details]

The independent watchdog of STM32 is driven by a dedicated internal 40Khz low-speed clock, that is, it is still effective even if the main clock fails. Here we need to note that the clock of the inde...[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]

1. A/D (Analog-to-Digital) and D/A (Digital-to-Analog) Conversion 1. Pin AOUT: Analog output Vref: reference voltage AGND: Analog ground EXT: Ground OSC: Floating SCL，SDA：IIC AIN0, AIN1, AIN2: anal...[Details]

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

　　 LiDAR is a comprehensive light detection and measurement system. Compared with ordinary radar, LiDAR can provide high-resolution radiation intensity geometric images, distance images, and speed im...[Details]

Code: void TEST(volatile near unsigned char* IO,unsigned char n,BOOL value) { unsigned char  a; unsigned char  b; a=*IO; b=0x01; b=b n; if(value) { *IO=a | b; } else { b=~b; *IO=a & b; } } PIC stru...[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]