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org 0000h ajmp main org 0030h main: mov dptr,#tab ; send the table header address to DPTR mov 30h,#00h ; clear 30H mov a,30h ; send the number in 30H to ACC loop : movc a,@a+dptr ; look up the table...[Details]
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What will happen to traditional broadcast bands when the spotlight goes out? Smartphones have become our constant companions over the past decade, and it's often said that smartphones are so successf...[Details]
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With the development of science and technology in modern society, people have higher and higher requirements for the portability, convenience and efficiency of mobile products. As a special type of sm...[Details]
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Working principle of carbon sulfur analyzer: after the carrier gas (oxygen) is purified, it is introduced into the combustion furnace (resistance furnace or high frequency furnace). The non-ferrous me...[Details]
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ARM International (ARM) has shown its ambition to enter the automotive and industrial control markets. On the 23rd, ARM officially released the ARMv8-R architecture designed for embedded system proce...[Details]
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1. Observation method uses vision, smell and touch. Sometimes, damaged components will discolor, blister, or have burnt spots; burned components will produce some special smell; short-circuited chips...[Details]
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Diode lasers and diode-pumped solid-state lasers have become the mainstream of solid-state laser development. They have high conversion efficiency, good stability and high reliability. They are the...[Details]
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1 Introduction
With the popularization of LED street lights, a large number of newly installed LED street lights need to be tested for road performance. According to the current road lighting ...[Details]
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IT Home On June 6 this year, Renren Video App was removed from all major app stores. Renren Video was removed from the shelves, and the "Kuaikan" related content was removed. However, the Andr...[Details]
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MCU (Microcontroller Unit) is the basis of electronic control module (ECM), which is widely used in security systems, comfort systems, chassis systems, driving information systems and other fields....[Details]
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Keyboard input
- I/O input experiment
I. Experimental purpose
To correctly read the pin status of PIO, so that when a key is pressed, the LED lights up, otherwise it goes out.
II. Experime...[Details]
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The role of chopper circuit
The chopper circuit is a power electronic circuit whose core function is to control the transmission of electrical energy. It converts the input DC power into a ser...[Details]
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For new energy vehicles, the power battery is the heart of the vehicle. In terms of the application of power batteries, there are two mainstream technologies: ternary lithium and lithium iron phospha...[Details]
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The entire construction team of the Rongke Energy Storage Equipment Manufacturing Project is working hard to seize the critical window period and sprint to the fourth quarter, laying a solid foundatio...[Details]