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When we come into contact with display screens, we often hear the term protection level. Most friends know that this means waterproof and dustproof, but the true meaning of each level may not be well ...[Details]
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On the evening of February 21, Zowee Technology issued an announcement that in view of the current changes in policies and capital market environment, and taking into account the company's actual sit...[Details]
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1. Application debugging 1: Use the strace command to track system calls
2. Application debugging 2: Using GDB to debug the application
Compile gdb,gdbserver
tar xjf gdb-7.4.tar.bz2
...[Details]
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1. Interrupt mode void USART2_IRQHandler(void) //Serial port 2 interrupt service routine { u8 u8Temp; /*****************Send interrupt****************************************/ if (USART_GetITSta...[Details]
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main.c /********************************************* Title: Exercise on operating USART Software platform: MDK-ARM Standard Version4.70 Hardware platform: stm32f4-discovery Main f...[Details]
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THD% is the percentage of the root mean square of the newly added total harmonic components to the effective value of the original signal.
The ratio of the RMS value of a harmonic to the RMS value of...[Details]
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Among Apple's many partners, Foxconn may be the most famous one. Apple and Foxconn have maintained a close working relationship for many years. In fact, as the world's largest contract manufacturer...[Details]
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With the development of microelectronics technology and processes, various electronic products are gradually becoming miniaturized and integrated, and their functions are more powerful, which makes it...[Details]
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SpaceX founder Elon Musk posted a rendering of the stainless steel Starship parked on the moon on Twitter on Monday. The rendering shows a lunar hill behind the Starship and a glowing Earth in ...[Details]
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GaN LEDs are widely used in mobile phone keypads, backlighting components, camera flashes, full-color outdoor displays, etc., but their output power is not high enough to significantly penetrate ...[Details]
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The European Parliament passed a landmark artificial intelligence bill on Wednesday, marking the EU's move to overtake the United States in regulating key technologies and setting clear boundaries ...[Details]
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Piezoelectric ceramics can be used as sensors. Using the 50mA range of a multimeter, you can accurately test and determine whether it is good or bad. The method is: put the piezoelectric ceramic to ...[Details]
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Bandwidth mismatch between interleaved ADCs is probably the most difficult mismatch problem for designers to solve. As shown in Figure 1, bandwidth mismatch has both gain and phase/frequency componen...[Details]
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Preparation alsa-lib version: alsa-lib-1.0.23.tar.bz2 alsa-util version: alsa-utils-1.0.23.tar.bz2 Other versions of alsa-lib and alsa-util are not guaranteed to work properly ARM board: s3c2416 Linu...[Details]
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Smart cars refer to intelligent transportation tools that integrate various advanced technologies. They not only have driving assistance and automatic driving functions, but also can realize multip...[Details]