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Key function: single click, double click, long press If a button is pressed for more than 1.5 seconds, it is considered a long press event. If the time interval between two consecutive presses does...[Details]
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IIC read and write AT24C02 code 1-control R/W through serial port commands and display it to the serial port! Main function /*------------------------------------------------- IIC Programming 1...[Details]
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When we write the linker script, we will set the starting link address of the code segment to 0x30008000 (S3C2440). If you misunderstand the link address, you may encounter problems like mine. Q: T...[Details]
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The circuit has overcharge protection, over-discharge protection, overcurrent protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
In...[Details]
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Medical imaging, especially ultrasound imaging technology, is undergoing a transformation. In the past, medical personnel used cart-mounted high-performance ultrasound systems to diagnose patients, b...[Details]
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Semtech Corporation (NASDAQ: SMTC), a leading supplier of semiconductor products and advanced algorithms, announced that YoSmart, a high-tech company focusing on smart home systems and products, has ...[Details]
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Editor's Note:
In-Circuit Test, ICT, is a standard test method for checking manufacturing defects and component failures by testing the electrical performance and electrical connections of online c...[Details]
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What is the penetration rate of smart cabins and multi-screens for new energy vehicles in China? The penetration rate of new energy vehicles equipped with smart cockpits as standard in the Chines...[Details]
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How to connect the frequency converter
1. The power supply should be connected to the R, S, T terminals of the frequency converter input terminal, and must not be connected to the frequency co...[Details]
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Objective: Understanding of LCD12864 principle 1. LCD12864 Introduction LCD12864 can be used to display characters, numbers, Chinese characters, graphics, etc. Its resolution is 128*64 dots, which ...[Details]
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1. The first error message
***WARNING L15: MULTIPLE CALL TO SEGMENT
SEGMENT: ?PR?_WRITE_GMVLX1_REG?D_GMVLX1
CALLER1: ?PR?VSYNC_INTERRUPT?MAIN
CALLER2: ?C_C51STARTUP
This ...[Details]
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【Abstract】 This paper introduces the hardware composition and software design and implementation of the electric bicycle controller tester based on AT89C2051 single-chip microcomputer.
Keywor...[Details]
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According to MoneyDJ, LED packaging giant Everlight has been affected by competition from the red supply chain and falling LED prices since 2019, and its revenue has continued to decline. It is estim...[Details]
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The serial port of the microcontroller is TTL level and cannot communicate directly with the computer. Level conversion is required. There are many types of level conversion chips on the market. To...[Details]
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1. Immediate addressing
Immediate addressing is a special addressing mode. The operand itself is given in the instruction. The operand is obtained only when the instruction is fetched. This op...[Details]
Test/Measurement
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