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      Recently, many netizens reported that when they used the built-in calculator on smartphones such as OPPO, Huawei, Apple, and Xiaomi to calculate "10%+10%", the result was 0.11 instead of 0.2. T...[Details]

    LTE (Long Term Evolution) is the evolution of 3G and has been selected by the International Telecommunication Union as the fourth generation mobile communication (4G) standard. MORLAB has some exp...[Details]

    Drunk drivers trying to dodge a breathalyser test should beware, as researchers have developed a laser device that can remotely detect whether a driver is drunk or not. The laser beam is fired fr...[Details]

On the one hand, this circuit can avoid the problem of having to use expensive inductor coils in general oscillation circuits. On the other hand, it can avoid the problem of using double potentiomete...[Details]

　　The smart car movable video surveillance system introduced in this article is based on the car model device provided by the "Freescale Cup" smart car competition. It uses the ARM chip S3C2440A to c...[Details]

Finnish telecommunications equipment giant Nokia announced on the 11th that it has appointed Wartsila Group Executive Vice President Willen as Chief Financial Officer, who will take office on Septemb...[Details]

　　1. Experimental Purpose 　　1. Understand the use of power supply, measuring instruments and digital multimeter; 　　2. Master the methods of measuring resistance, capacitance, voltage and current; 　　3...[Details]

You can use a CMOS integrated circuit 4049, a 2N2222 transistor, an 8-ohm speaker and a small number of passive components to form a circuit that can produce pleasant harmonics and is commonly used i...[Details]

Today, I found several questions when reading the header file cc430x613x.h in RF_Example_Code_v1.0. First, let's look at the three #define examples in cc430x613x.h: #define DEFC(name, address) __no...[Details]

The air conditioner remote controller can be used to control the air conditioner's control temperature (indoor temperature), working status (normal, dehumidification, ventilation), fan speed (strong,...[Details]

The satellite communication system is composed of three parts: the satellite terminal, the ground terminal and the user terminal. The satellite terminal serves as a relay station to amplify the elect...[Details]

TLC5620 DA conversion C program   /*------------------------------------------------------------------------------ Calling method: void da5620(uchar da) ﹫2001/03/23 Function description: Send the da ...[Details]

The company's project was signed and settled in Ma'anshan on October 16, 2018, and officially started on December 24. The overall implementation plan of the project is 6 years, divided into 4 constru...[Details]

From October 14 to 16, 2020, the China International Semiconductor Expo (IC China 2020) was held in Shanghai. Unlike previous years, this year's Datang NXP booth had only one protagonist - the automo...[Details]

Low-voltage electrical appliances with overload protection function are very important components in the power system. They can effectively protect electrical equipment and lines from damage caused...[Details]