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  Today someone asked me how to convert BCD code into decimal code. It is actually very simple.         The BCD representation uses 4 binary bits to represent a decimal digit, that is, one byte can r...[Details]

Homemade AVR controls 1W inverter Last time it was a DC servo, this time it’s an AC one. The main control is ATMEGA8A Homemade three-phase bridge, the motor is the spindle motor of the optical ...[Details]

  Yesterday I used uboot1.4 to debug an LED light experiment based on s3c44b0, and it was successful. Here is a record:   The initial idea was to use uboot's loadb command to debug my own ported uboo...[Details]

TDA7482 Typical Application Circuit SGS-THOMSON has launched three monolithic Class D power amplifier ICs, namely TDA7480 (10W), TDA 7481C (18W) and TDA7482 (25W). This article takes the TDA7482...[Details]

The microcontroller source program is as follows: #include reg52.h #include intrins.h #define uhar unsigned char #define uint  unsigned int sbit key1=P3^2; // press key1 to switch patterns        ...[Details]

Mutual capacitance technology has greatly improved the efficiency and convenience of communication between people and computers due to its direct, efficient, accurate, smooth and fashionable charac...[Details]

In recent years, the electric vehicle industry has developed rapidly, and its safety has also received increasing attention. At this exhibition, Shenzhen Rongyi Electric Technology Co., Ltd. launch...[Details]

1. Change the rules When the system fails, you can tentatively change certain states, one parameter at a time. For example, to limit the problem of chromatographic peak de-dimensionalization, you can...[Details]

Due to the limited and non-renewable radio spectrum resources, and the sharp increase in the number of users and radio applications, the current RF spectrum is becoming more and more crowded and busy...[Details]

static ulong get_PLLCLK(int pllreg) {     S3C24X0_CLOCK_POWER* const clk_power = S3C24X0_GetBase_CLOCK_POWER();     ulong r, m, p, s;     if (pllreg == MPLL)     r = clk_power- MPLLCON;     else if...[Details]

With the increasing number of tunnel projects, tunnel construction plays an increasingly important role in modern transportation. A tunnel is a closed space where natural light cannot penetrate. In o...[Details]

1 Introduction In recent years, the application of smart IC cards has been very common in China. In the water meter industry, mechanical industrial water meters have been gradually replaced by embedd...[Details]

After 21 years of exploration, Volkswagen has finally completed a clear and unified layout in autonomous driving.   From the opening of the Electronic Research Laboratory (ERL) in Silicon Valley in 1...[Details]

　　As the demand for switching power supplies continues to grow in many industries, measuring and analyzing the power loss of the next generation of switching power supplies is critical. This article ...[Details]

With the development of electronic information technology, smart cards (IC cards) can be seen everywhere in life. Radio frequency identification cards (abbreviated as radio frequency cards, R...[Details]