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LED dot matrix (8*8) LED dot matrix is ​​a display device composed of an arrangement of light-emitting diodes. It can be seen everywhere in our daily electrical appliances and is widely used in car s...[Details]

After releasing iOS 14.3 in December, Apple recently stopped verifying signature updates for iOS 14.2 and iOS 14.2.1. Since the launch of iOS 14.3 on December 14, it took Apple nearly a month to st...[Details]

　　On November 29, Xiaomi launched an ultra-thin power bank on the afternoon of November 24, which is only 9.9 mm thick, has a capacity of 5,000 mAh and is priced at 49 yuan. However, according to Mi...[Details]

1. Transplantation Environment (The red bold text indicates the modified content, and the blue bold text indicates the content with special attention) 1.Host environment: Ubuntu-10.10 under Virtual...[Details]

I decided to share my experience of writing ARM processors with you. I am not bragging, my core is a very good core. One way to prove it is to download it into FPGA to see if it works. I have already ...[Details]

In recent years, many countries in the world have formulated policies to phase out incandescent bulbs in stages. For example, China plans to phase out all incandescent bulbs above 60W for general lig...[Details]

For electronic circuits to work properly, power supply is indispensable, and the performance of power supply has a great impact on the service life and performance of circuits, electronic instrumen...[Details]

What its manufacturers call the world's largest solar-powered boat has arrived at the port of Colombo, the capital of Sri Lanka, a step closer to its first round-the-world journey. The ship, n...[Details]

      Twitter blogger Slashleaks exposed a set of mock-up photos of what is suspected to be the iPhone 12 Pro Max. The Slashleaks website shows that the authenticity of the photos is 67%. The leaked ...[Details]

On April 12, Tianma Microelectronics Co., Ltd. announced that according to the company's development strategy plan, the company plans to invest in a joint venture project company in Xiamen through it...[Details]

Heart stents are not only needed for the elderly. Many young children with congenital heart disease can also benefit significantly from the implantation of stents and catheters. However, children wil...[Details]

/* Main.c file generated by New Project wizard * * Created: Friday May 5, 2017 * Processor: 80C31 * Compiler:  Keil for 8051 */ #include reg51.h #include s...[Details]

Electromagnetic compatibility ( EMC ) refers to the ability of a device or system to operate in accordance with requirements in its electromagnetic environment and not to cause intol...[Details]

Simulation schematic diagram: Program operation chart: Part of the program: #include reg52.h #define uchar unsigned char #define uint unsigned int uchar duan ={0xc0,0Xf9,0xa4,0xb0,0x99,0x92,...[Details]

Industrial control machines are very important equipment in the field of industrial automation, and they play a key role in various industrial production processes. PLC (Programmable Logi...[Details]