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PLC programming refers to the process of programming and debugging a programmable logic controller (PLC). PLC is an electrical device specifically used for automated control. Its main function is t...[Details]
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UPS is the abbreviation of Uninterruptable Power System. It is divided into two types: dynamic and static. Dynamic UPS is composed of rotating motors, while UPS composed of electronic components is s...[Details]
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At the 2021 IAA German International Motor Show, Volkswagen released its "ID.LIFE concept car". This small car is very interesting and aims to be mass-produced in 2025, with a price of 20,000 euros. ...[Details]
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The emergence of Universal Serial Bus On-the-Go (USB OTG) technology has provided more options for people's connected life. USB OTG allows a device to act as both an external device and a host. As ...[Details]
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Abstract: This system uses the TQ2440 development board as the hardware platform, uses the embedded Linux operating system to provide a specific hardware and software solution for the streaming media...[Details]
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In September 2020, the "AIIA2020 Artificial Intelligence Developer Conference" hosted by the China Artificial Intelligence Industry Development Alliance (AIIA) was held in Beijing. Imagination Techno...[Details]
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The fixed gain of a differential amplifier (such as the MAX9705) can be reduced to a desired gain by adding an external resistor network, but the effect of the resistor network on the internal im...[Details]
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In order to analyze the relationship between the basic circuits of PWM DC/DC converters and their dual properties, we must first discuss the equivalent circuit of the PWM converter. Sometimes the c...[Details]
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According to etnews, industry insiders revealed on November 1 that LG Display is planning to supply Mini LED backlight LCD panels to Apple. These LCD panels are expected to be used in Apple's new iPa...[Details]
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Universal Serial Bus (USB) has become an increasingly popular computer communication interface due to its high data transfer rate, ease of use, and support for hot plugging. The FT245BM chip is a s...[Details]
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Using dual Orins to build a three-in-one domain controller for smart driving, cockpit, and parking is not difficult in terms of hardware , but all in software . Today we will take a look at a three-i...[Details]
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In July 2021, Samsung released the Samsung Galaxy F22 phone. Now, the upcoming Samsung Galaxy SM-E236B has been spotted on the Geekbench benchmark database, which should be the upcoming Galaxy ...[Details]
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Float flowmeter is the most popular type of flowmeter products. For example, glass rotor flowmeter, plastic tube float flowmeter, traditional metal tube float flowmeter (Chengfeng Instrument's third-...[Details]
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According to Jiwei.com, on July 12, the Shanghai Stock Exchange issued the "Decision on Terminating the Review of Yuanfeng Technology Co., Ltd.'s Initial Public Offering and Listing on the Science an...[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]