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#include #define key1 0x01 #define key2 0x02 #define key3 0x04 #define delay_small 200 #define key_1 0xfe //define return key value 1 #define key_2 0xfd //define return key value 2 #define ke...[Details]

1 Introduction to U-Boot U-Boot, the full name of Universal Boot Loader, is an open source project that complies with the terms of the GPL. It has evolved from FADSROM, 8xxROM, and PPCBOOT. Its...[Details]

In the automotive intelligent parts market, LiDAR currently occupies a very important position. The four major LiDAR brands in China have almost monopolized the entire LiDAR market for Chinese pass...[Details]

1 Introduction The vortex gas flowmeter is a velocity flowmeter that is widely used in the production, storage and transportation of crude oil. Since it has no moving parts and has temperature and pr...[Details]

Elon Musk once called LiDAR a "fool's errand", which is controversial, but in fact this statement has not been completely overturned. Although LiDAR has the performance advantage of high precision, t...[Details]

It’s easy to get excited about visionary technology, but it’s hard to make it work in the real world. Autonomous driving is one such beyond-visual-range technology. Image courtesy of Arter...[Details]

LED backlights have a longer lifespan than cold cathode tubes (over 5,000 hours) and use DC voltage, and are often used in small monochrome displays such as phones, remote controls, microwave ovens...[Details]

On March 16, 2017, in response to the national policy call of "One Belt, One Road", Mr. Chen Ronghua, Chairman of China International New Energy Storage Power Technology Co., Ltd., went to Indonesi...[Details]

Recently, Hefei Xinyihua Intelligent Machinery Co., Ltd. (hereinafter referred to as Hefei Xinyihua) completed a 600 million yuan equity financing, which will be used to strengthen the research and d...[Details]

Introduction: Aiming at the development demand of anti-lost products, this paper introduces the software and hardware design and test analysis of an electronic anti-lost and anti-theft device with du...[Details]

Nowadays, a large number of surveillance cameras are installed in various cities . If these video resources are integrated and utilized, and the existing various video surveillance syste...[Details]

After the smartphone market entered the stock cycle, product innovation became a common goal for upstream and downstream industries. As the domestic smartphone industry was affected by multiple exter...[Details]

1. What are the main reasons and measures for the poor repeatability of the measurement results of the moisture meter? 1) The sample is not uniform, that is, the sample has different components. The ...[Details]

　　Multimeters are often used. This section explains how to test short circuits, open circuits, and leakage problems in circuits, and how to use a multimeter to measure short circuits and open circuit...[Details]

On October 24, Bloomberg reported yesterday that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips. Today, analy...[Details]