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To this day, safety hazards caused by leakage are still common. Lack of leakage protection or untimely response will result in fatal consequences. In recent years, as the home appliance industry has ...[Details]
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Recently, Honor's upcoming Honor 70 Pro and Pro + have passed the national quality certification. The specific models are SDY-AN00 and HPB-AN00, and both support 100W fast charging. According to...[Details]
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1. What is an LDO regulator?
LDO low dropout regulator (LowDropoutRegulator) is a classic voltage regulator that can achieve a smaller input/output voltage difference than the trad...[Details]
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Interrupt diagram in ARM7:
The peripherals include common peripherals and internal peripherals. The interrupts are all through VIC, and then act on the kernel through FIQ or IRQ.
I...[Details]
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When it comes to high-power adjustable voltage-regulated power supplies with an output of more than 10A , readers who have come into contact with them will think of: a huge power transformer with tap...[Details]
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Switching power supplies have been widely used for their high efficiency and small size. Traditional switching power supplies generally use voltage-type pulse width modulation (PWM) technology, whi...[Details]
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There are two key parameters for batteries: energy density (Wh/Kg) and power density (W/Kg). Energy density is the amount of energy that a battery can store per kilogram of weight; power density is h...[Details]
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KERNELDIR = /home/wenhao/platform/linux-2.6.34 PWD := $(shell pwd) CROSS_COMPILE = /usr/local/arm/4.3.2/bin/arm-linux- CC = $(CROSS_COMPILE)gcc obj-m := key.o modules: $(MAKE) -C $(KERNELDIR)...[Details]
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The impact of chip shortages is still ongoing. Mobile smart terminals such as mobile phones, as one of the largest markets for semiconductor chips, have undoubtedly been strongly impacted. Earlier, X...[Details]
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In the blink of an eye, more than half of 2019 has passed, and many listed companies have released their semi-annual reports. Some companies have achieved stable growth in performance, while others h...[Details]
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A power analyzer is a versatile device used to measure power flow in an electrical energy system. While these sophisticated instruments are used in many applications and industries, there is no one-s...[Details]
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1. Hardware Setup
The Modbus communication in the program is carried out between the communication ports 0 of the two S7-200 CPUs (it is best if each CPU has two communication ports). On the m...[Details]
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What are we talking about when we talk about smart car communication? Is the popular SOA technology the "end game" of smart car interaction mechanism? Let's use an article to dig deep and explain the...[Details]
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In the face of the global chip crisis, more chip manufacturing equipment is needed to solve the chip production capacity problem. However, the machines that manufacture chips also need chips. The glo...[Details]
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The English abbreviation of single-chip program memory is ROM. The data stored in ROM is generally written in advance before being installed in the whole machine. It can only be read out during the...[Details]
DSP and ARM Processors
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