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Zhiyong high-voltage differential probes are widely used in various applications. They can provide excellent general-purpose differential signal measurements for today's high-speed power measurements...[Details]
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If the CF card of SmartARM3250 cannot be used, please refer to the following steps to solve it. (1) Check whether the kernel version supports CF cards. Please check whether there are drivers/ide/ar...[Details]
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The standardization trend of power battery specifications is becoming increasingly clear. As fans of large cylindrical batteries, the BMW Group and Tesla are firmly optimistic about the application...[Details]
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In the past, electric bikes in rental houses had to be charged with "flying wires", but now they can be charged directly by scanning the code on the shared charging piles, which is convenient, safe...[Details]
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The development of self-driving cars faces many obstacles, such as bad weather and public acceptance. In fact, there are many problems that researchers have not anticipated earlier and need to solve....[Details]
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Despite the heavy pressure from the United States, Huawei is still moving forward steadily. In the recently released "2019 China Top 500 Private Enterprises Report", Huawei Investment Holding Co., Lt...[Details]
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Application areas: high voltage and high power motor variable frequency speed regulation.
Challenge: The unit series high-voltage inverter uses several low-voltage power units in series to...[Details]
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The STC12C5A60S2 microcontroller is a relatively powerful microcontroller. Among the many 51 series microcontrollers, the 1T enhanced series of the domestic STC company is more competitive because it...[Details]
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According to Jiwei.com news, on March 27, Weilan Technology released its 2018 performance report. The company achieved total operating revenue of 3.964 billion yuan, a year-on-year increase of 64.74%...[Details]
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Today, power users are faced with countless choices , the numerous performances of power products and the long product specifications of power suppliers make purchasing power a headache. Fortunatel...[Details]
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The main frequency range of ECG signal is 0.05"100Hz, the amplitude is about 0"4mV, and the signal is very weak. Because ECG signal is usually mixed with other biological signals, and the electroma...[Details]
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The role of the crossover: In a speaker system, people call the cabinet, crossover circuit, and speaker unit the three major parts of the speaker system, and the crossover circuit plays an extremely i...[Details]
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FFmpeg porting process:
FFmpeg is an open source, free, cross-platform video and audio streaming solution. It is free software and uses the LGPL or GPL license. Its porting also follows the LG...[Details]
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Jingchen shares, which holds the "001" approval document for the Science and Technology Innovation Board, has attracted much attention from the market since it entered the capital market. However, fr...[Details]
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1. Set obj and src
ifneq ($(OBJTREE),$(SRCTREE))
ifeq ($(CURDIR),$(SRCTREE))
you :=
else
dir := $(subst $(SRCTREE)/,,$(CURDIR))
endif
obj := $(if $(di...[Details]