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The MCU development board is made by myself. The circuit is very simple. The rows and columns of the 8*8 dot matrix are connected to the P0 and P1 ports of the MCU respectively. Remember to use a...[Details]

The production process of epitaxial wafers is very complicated. After the epitaxial wafers are developed, nine points are randomly selected from each epitaxial wafer for testing. The ones that meet...[Details]

DxOMark recently changed its testing protocol and is now running version 4 of the protocol. This means that some devices will go through a new round of testing and the overall score will change. It...[Details]

       The X50 series products this time have similar outlines but very different internal structures. In terms of appearance, the vivo X50 series does not have much special features. The X50 series ...[Details]

1. Open the keil software and create a project The second step is to select the chip type: Although the STC89C52RC (or STC90C516RD) microcontroller is used, We should choose the ATMEL-AT89C52 ch...[Details]

“Hey Google, take me to Google I/O 2019 at Shoreline Amphitheatre.” Ready to go - set up - go. The Android-based in-car infotainment system is now available, with built-in Google Assistant, Google...[Details]

1 Introduction In recent years, the call for highly reliable, compact, powerful and affordable power modules has become increasingly louder. Wind and solar power plants, trol...[Details]

According to foreign media reports, on June 10 local time, OneD Battery Sciences, a leader in electric vehicle battery technology, announced the launch of a breakthrough technology that can power the...[Details]

According to foreign media reports, Tesla will add a high-occupancy vehicle (HOV) automatic recognition function. When it detects that the vehicle is carrying two or more passengers, the Navigate o...[Details]

  The microcontroller source program is as follows: #include reg52.h           #define uchar unsigned char #define uint unsigned int #define yi 0x80 //The initial position of the first line of LCD...[Details]

Google's TPU chip is specially designed for cloud AI applications, and it can be said that it was born for the cloud. The design process of TPU has increasingly utilized the advantages of the cloud, ...[Details]

I've been using 51 MCU SD card + VS1003 to make MP3 recently, but I encountered a very frustrating problem when debugging. I only called a short function in the main function, and there are...[Details]

　　Multimeters have become an indispensable tool in the hands of electrical and electronic engineers because of their many functions and ease of use. However, if you want to give full play to its role...[Details]

0 Introduction The aircraft anti-skid brake system is an important onboard equipment of the aircraft. It is a subsystem with relatively independent functions on the aircraft, and plays an important ...[Details]

Electric vehicle battery fires are not uncommon. Although statistically less likely than internal combustion engine vehicles, when a battery fire occurs, it can continue to burn for hours or even d...[Details]