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#include #include #define uchar unsigned char #define uint unsigned int #define  ON_138  PORTC|=BIT(PC7)    //Enable 74138 #define  OFF_138 PORTC&=~BIT(PC7) const uchar table ={0x3f,0x06,0...[Details]

　　MOSFET selection for DC/DC switching controllers is a complex process. Considering only the voltage and current ratings of the MOSFET is not enough to select the right MOSFET. To keep the MOSFET wi...[Details]

Indian automaker Tata Motors has announced its latest electric vehicle technology, ‘ZIPTRON’, which will power a range of Tata electric vehicles, starting with a model confirmed to be launched in...[Details]

Function of the circuit This circuit has been used as a basic circuit for active filters. It can be used as a carrier filter for various demodulation circuits, a low-pass filter for noi...[Details]

    Google is not only committed to search, but its fully autonomous cars are also leading the way. Of course, the big players in the automotive industry will never tolerate an outsider playing with t...[Details]

Single-phase series-excited motors are often called series-excited motors. They are named after the fact that the excitation winding and the field winding work in series. Single-phase series-excite...[Details]

With the continuous advancement of technology, welding robots have become an indispensable part of modern production. With their efficient and precise working characteristics, they have greatly imp...[Details]

Frequency domain measurements of RF power are the most basic measurements made with spectrum and vector signal analyzers. Such systems must comply with the limits set by the relevant standards for po...[Details]

　　1 Component Selection 　　The temperature sensor of this system can be a thermistor. In the measurement range of 10 to 30°C, the resistance of this device varies greatly with temperature, the circuit...[Details]

I'm learning how to port uboot recently. I have a long-forgotten MINI2440 development board. The main control chip used in the development board is S3C2440. I checked the uboot version and found that...[Details]

The more the term "Internet of Everything" is discussed, the closer it is to the Internet of Everything. Especially with 5G on the horizon, everyone is looking forward to the arrival of an era that h...[Details]

As global environmental issues become increasingly prominent, fuel vehicles, as one of the main "manufacturers" of greenhouse gases, have finally received a "verdict" concerning their future survival...[Details]

There are two key challenges facing designers of resonant audio systems. The first challenge is to exploit the resonant frequency and resonant region of a speaker or buzzer to produce the maximum o...[Details]

By default, in a 32-bit CPU, gcc aligns structures to four bytes. 　　typedef struct pack{ 　　char a; 　　int b; 　　short c; 　　}pack; 　　For the Pack structure, by default on the arm/386 platfor...[Details]

From 2004 to 2007, the United States held three driverless challenge competitions, which gave birth to the field of autonomous driving. As a result, autonomous driving has entered the era of indust...[Details]