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Code: /* C language example 24 Question: There is a sequence of fractions: 2/1, 3/2, 5/3, 8/5, 13/8, 21/13... Find the sum of the first 20 items of this sequence. Program analysis: Please grasp the...[Details]
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Abstract: In view of the characteristics of gasoline engine speed changes in a wide range and ignition voltage and current changing extremely quickly, CPLD is used as a high-speed collector to e...[Details]
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In traditional mobile networks, many network problems need to be discovered by engineers or technicians carrying instruments and driving on the road. This test method has been used in previous network...[Details]
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China Energy Storage Network News:
According to reports, in order to reduce carbon emissions, a group of Japanese technology and energy companies are launching a pilot project that aims to al...[Details]
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Water is the source of life, the key to production, and the foundation of ecology. Building smart water affairs is an important measure to promote the realization of smart and ecological cities. Howe...[Details]
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Principle: The basic principle of zero-sequence current protection is based on Kirchhoff's current law: the algebraic sum of the complex current flowing into
any node in
the circuit
is equal...[Details]
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In the chapter "Memory Subsystem", we mentioned that the ATMega328P on the Arduino UNO R3 development board has 0.5KB of Flash space for the boot program; because of the support of the boot program, ...[Details]
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Function of the circuit
Shunt regulator IC
TL431
is equivalent
to a programmable Zener diode. It has a 2.5V bandgap reference diode inside and can abs...[Details]
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I have been studying microcontroller communication these days and found some very interesting things. When communicating with the microcontroller, although there is no problem with the program, ...[Details]
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The MAX44005 integrates 7 sensors in one product: red, green, blue (RGB) sensor, ambient light (ALL) sensor, temperature sensor; ambient infrared sensor, infrared proximity sensor, and I²C interface....[Details]
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On June 16, 2020, National Instruments released a new brand identity online, including a new corporate logo, visual image and enhanced digital experience, as well as the latest brand slogan Engineer ...[Details]
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According to BusinessKorea, Samsung Electronics is planning to catch up with TSMC, the world's largest foundry company, by building a 3-nanometer GAA (Gate-all-around) process within the next three y...[Details]
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The timer/counter control register TCON latches the external interrupt source and its trigger mode, timer T0 and T1 overflow interrupt. IE0, IT0, IE1, IT1 in the TCON register. The bit format in TCON...[Details]
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There are always some great people who are not satisfied with the appearance of current products and want to create different products. That’s why there is this mobile phone that can be used f...[Details]
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The first step is to open the 6410 baseboard schematic:
You can see that OK6410 has six buttons:
You can see that the six keys of OK6410 correspond to the pins KEYINT1, KEYINT2, KEY...[Details]