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Self-designed 51 single-chip microcomputer controls LED colorful gradient lights
MCU:89C51,89S51,89C2051, etc.
Crystal oscillator: 12MHz
Circuit driver (LED connection):
P1.0 connects to blue L...[Details]
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Introduction: SPI bus driver includes normal package standard mode and special package standard mode. —————————————————————*/ /*General 93c06-93c86 series instructions 93c06=93c4693c56=93c6693c76=9...[Details]
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Main points The grid was not designed with new types of power demands and supplies in mind. Battery energy storage systems are key to transforming and protecting the grid. Innovations in ba...[Details]
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What is a Trigger and what is its role in an oscilloscope? Let’s first see what others say. The trigger event establishes the time-reference point in the waveform record. All waveform record data...[Details]
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/*The row lines are connected to P1.0-P1.3, and the column lines are connected to P1.4-P1.7.
According to the key value code returned by scanning the keyboard, the key value is looked up in the key ...[Details]
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Siemens inverter is an electric device that can change the running frequency and voltage of the motor, also known as "speed regulator" or "variable frequency speed regulator". It can control the vo...[Details]
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The LCD screen is JM12864 or FYD12864 (with font library). I have no problem using these two types of screens. 4 rows * 8 columns of Chinese characters = 32 serial communication interfaces P1.5--P1.7...[Details]
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Identification, classification and measurement of crystal oscillators
1.
Unit:
Hertz "Hz"
1MHz=10
3
kHz=10
6
Hz
Symbol
: "
X, Y
...[Details]
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Currently, driven by better display and memory technologies, as well as the impending deadline for digital television broadcasts in North America, the development of high-definition video is rapidl...[Details]
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The microcontroller used is STC89C52 This design can display the year, month, day, hour, minute and second and the alarm clock function can be freely adjusted through 8 buttons. The alarm clock ringi...[Details]
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According to news on June 15, Tesla CEO Elon Musk recently tweeted that he hopes Toyota can join the alliance of automakers that have adopted Tesla’s charging interface, which is called the North Ame...[Details]
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ARM exception interrupt processing: ARM system abnormal interrupt types: According to the interrupt processing priority from high to low, they are: reset, data access abort, fast interrupt request, e...[Details]
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Abstract: The upper host computer controls multiple MODEMs through 16C554, and the back-to-back connection is used to realize long-distance communication between the host computer and the lower ...[Details]
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According to the Friendly mini2440 user manual, open the command line and execute: cd /opt/FriendlyARM/mini2440 tar xvzf /tmp/linux/logomaker.tgz -C / and you will find that logomaker has been instal...[Details]
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With the development of intelligent driving, vehicle networking and electrification technology, traditional distributed control architecture is difficult to meet the requirements of performance, ef...[Details]