L2015CT

       July 1st is the first day of implementation of Hainan’s new duty-free shopping policy for off-island passengers. 　　The characteristics of this new policy are that in addition to increasing the...[Details]

#ifdef __GNUC__ // In addition, GNU has some common extended macros such as __GNUC__   /* With GCC/RAISONANCE, small printf (option LD Linker- Libraries- Small printf      set to 'Yes') calls __io_pu...[Details]

1.3C Digital Key Specification Introduction CCC (Car Connectivity Consortium) is a global cross-industry organization dedicated to developing standards for smartphone-to-car connectivity solut...[Details]

Preface As computer network technology develops and updates faster than PBX, and equipment prices have dropped significantly, establishing an Internet (or Intranet)-based IP telephone network ...[Details]

　　Instrument stepper motor 　　A stepper motor is an open-loop control element that converts an electrical pulse signal into an angular displacement or a linear displacement. In the case of non-overl...[Details]

OFweek Cup · OFweek 2023 China Robot Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]

    According to foreign media 9to5 Google, Google has previously begun its anti-competitive approach of stifling third-party app stores on the Android system. According to new revelations, Google ha...[Details]

The MCP6N11 instrumentation amplifier (INA) features an enable/VOS calibration pin (EN/CAL) and several minimum gain options. It is optimized for single-supply operation and supports rail-to-rail inp...[Details]

An example of how to call an assembly function in KEIL C51 (v6.21) There are many posts about how to call assembly from C51, but generally only the key points are mentioned, and few of them descri...[Details]

Passive probes are widely used by engineers in various tests for their ruggedness and low price. The bandwidth of passive probes ranges from a few hundred MHz to 1 GHz. This specification is obtained...[Details]

Exception handling Location of the exception vector The early_trap_init function in arch/arm/kernel/traps.c copies the exception vector to a specific location so that when an exception occurs, arm ca...[Details]

1 Introduction LCD has the characteristics of displaying a lot of information, small size and low power consumption, and is widely used in terminal display and human-machine interface. It can be us...[Details]

"If the IC design industry needs to work hard for another 10 years, I think the manufacturing industry will need at least 20 to 30 years, and 30 to 50 years is normal." On December 10, Peng Jin, seni...[Details]

While most electric vehicle manufacturers are optimizing existing lithium-ion battery solutions, General Motors (GM) has turned to lithium metal batteries for its next generation of electric vehicles...[Details]

With the development of the electric power industry and the increase in grid load demand, my country is vigorously developing UHV and long-distance transmission technology. High voltage leads to stron...[Details]