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A method of interconnecting industrial fieldbus and Ethernet is proposed. The design and implementation of a protocol conversion gateway between Ethernet and CAN fieldbus are introduced. AT89C55 (＄1...[Details]
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Recently, the China Association of Automobile Manufacturers announced the overall sales data of the Chinese automobile market in the first half of the year. From January to June, the sales of new ene...[Details]
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Bootloader is a program area with high address in flash, through which the program operation control and program update can be realized. This page gives the method of online update through serial por...[Details]
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ON Semiconductor, driving energy-efficient innovations, will showcase its innovative technologies for smart homes, connected buildings and personal IoT at CES 2020. The rise of voice control and v...[Details]
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Since neuromorphic chips can process sensor data (such as images, videos, sounds, etc.) faster and better than von Neumann chips, research on these chips composed of transistor networks has becom...[Details]
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Connection of devices with different bit widths Let's first take a look at how the peripheral ROM is connected to the CPU address bus in the 2440 chip manual. Connection between 8bit rom and CPU a...[Details]
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In the past, we used delay to eliminate jitter, which was a waste of time. Now we use state machine design, which does not take up too much time, but requires a timer. 1. State machine button debou...[Details]
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Development board model: tiny 4412 Core board: exynos4412 (Samsung SOC) ARM architecture, ARMv7 architecture coretex A9 series quad-core 1.4Ghz, 32 bit SRAM:256K ROM 16K DDR SDRMD 1Gbits Memory...[Details]
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Experiment on reading and writing AVR microcontroller EEPROM.
First write 254 to the microcontroller EEPROM, then read 254
and display it on the digital ...[Details]
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Semiconductor supplier STMicroelectronics (ST; NYSE: STM) has signed a collaboration agreement with Microsoft to promote the development of smart home appliance controllers and Internet of Things (Io...[Details]
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Spider-Man is a very popular IP image. In previous Marvel movies, he has a wide fan base. This time, Realme took advantage of the momentum to cooperate with the movie and launched a customized ...[Details]
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1. Experimental tasks
When the switch SP1 is pressed, the AT89S51 microcontroller generates a "ding dong" sound which is output from the P1.0 port to the LM386 and then sent to the speaker after be...[Details]
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introduction
Sound card technology is one of the key technologies of multimedia computer technology.
Its emergence makes computers more expressive. At present, the sound quality of e...[Details]
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In the field of wireless remote control, PT2262/2272 is one of the most commonly used chips. However, the chip requires to be used in pairs, which greatly affects the use of the chip. Starting from...[Details]
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1. The concept of embedded system
Focus on understanding the concept of "embedding"
It can be understood mainly from three aspects.
1. From the hardware point of view, the CPU-based ...[Details]
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