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Microchip micro-circuits have an important application in the control of stepping motor. Taking the two-phase hybrid stepping motor as an example, its subdivision circuit can be constructed by combining integrated chips and separate components, such as the two-phase hybrid stepping motor's self-adapting subdivision drive circuit designed based on the AT89C51 single-chip computer. In the step motor fine control, the fine division technology was a kind of electronic damp technology. The purpose was to improve the operation accuracy of the motor and achieve high-precision fine division of the step angle. For example, in the driving state of two phases and four beats, when the control system does not subdivide, each step pulse motor will rotate an inherent step angle (such as 10°), and when the subdividing driver works in the 10 subdividing state, the motor will only rotate 1°. The subdividing function was achieved by the driver or the single-chip processor by precisely controlling the phase current of the motor, and had nothing to do with the motor itself. There were many factors to consider when constructing a single-chip circuit: 1. ** Power supply related **: Make clear the differences between the labels of different power supplies, such as VRCs, VRCs, and VSSs. For example, VRCs are usually the power supply voltage of a Bipolar device. In an NPM circuit, it represents the power supply voltage connected to the collector. In a field effect circuit, it represents the power supply voltage connected to the drain. In a PPM circuit, it represents the power supply voltage connected to the transmitter. In a circuit with a PPM circuit, it represents the power supply ground or 0V, which is the reference point of the circuit. 2. ** Resistance selection **: - ** Pull-up Resistor **: The choice of the pull-up resistance needs to balance power consumption, driving ability, and circuit speed. In order to reduce power consumption and chip sink current, the resistance value should be as large as possible; in order to ensure sufficient drive current, the resistance value should be as small as possible; in high-speed circuits, an excessively large pull up resistance may make the signal edge smooth, usually between 1k Omega and 10k Omega. In the reset circuit, the resistance value is critical to the start-up of the single-chip computer. For example, when R1 = 10k Omega, it may cause the SSR pin to show a high level, causing the single-chip computer to continue to reset and not work normally. - ** Current limiting resistance **: For example, in an LED circuit, the current limiting resistance should be calculated according to the operating voltage, current range, and circuit voltage of the LED. If the power of the current limiting resistance is not selected properly, there may be problems. For example, in a circuit with an LED voltage drop of 3V, a total voltage of 96V, and a current limiting resistance of 5.1 Ohms, the calculated current is 18ma. However, if the current limiting resistance is 1206, the rated power is 0.25W, and the actual power is 1.7W, the circuit will have problems. 3. ** Condenser application **: There are two types of filter condensers: high frequency and low frequency. The high-frequency filter (usually 0.1 microF) is used to short-circuit the high-frequency noise protection circuit; the low-frequency filter (usually 100 microF) is used to filter out the low-frequency ripple and stabilize the power supply. It is usually installed next to the power interface or high-power components. 4. ** Usage of other components **: - ** Triode **: It has a variety of functions, such as switching function (by controlling the base current to switch between on and off), amplifying function (can amplify the base current by 100 times to drive a larger load), and level conversion function (used for communication between different levels). - ** Nixie tube **: By controlling the seven segments of A - G and the decimal point, it displays the number. It requires a matrix and a truth table to control the brightness of each segment to correspond to a specific number. - ** Key vibration treatment **: The operation of keys will cause vibration, which can be eliminated by software (delay 5 - 10ms after detecting the closed key and wait for the vibration to disappear before confirming the key state) or hardware (use the short-circuit effect of the high-frequency signal by the capacity). When the single-chip I/O port is not enough, the number of ports can be increased by expanding the chip such as the 74HC13838 translator to meet the design requirements of the subdivision circuit. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following are some of the cultivation levels in the human world: - In <Mortal>, the stages were divided into Qi Cultivation Stage, Foundation Establishment Stage, Golden Core Stage, Nascent Soul Stage, Soul Formation Stage, Void Training Stage, Body Integration Stage, and Great Vehicle Stage/Tribulation Passing Stage. Apart from the nine stages of Qi Cultivation Stage, the other stages were divided into four minor stages: Initial Stage, Middle Stage, Late Stage, and Great Perfection. - In Heaven Covering, the early stages of cultivation in the human world were divided into Circulation Sea Mystic Realm, Dao Palace Mystic Realm, Four Extreme Mystic Realm, Dragon Transformation Mystic Realm, Immortal Foundation Mystic Realm, and so on. - In a certain fantasy novel, there were realms such as Body Tempering, Tendon Tempering, Bone Breaking, Fasting, Heart Tempering, Liver Tempering, Spleen Tempering, Lung Tempering, Kidney Tempering, Essence Tempering, Pulse Opening, Qi Guiding, Qi Gathering, Qi Condensation, Qi Transformation, Qi Tempering, Foundation Establishment, Core Condensation, Core Condensation, Core Formation, Half-Nascent, Nascent Soul Condensation, Nascent Soul Dispersion, Nascent Soul, and so on. - In <Immortal Mortal>, the three stages of the mortal world were Channel Opening, Spirit Building, and Ascended Realm (Extreme Mortal Stage: Peak 12th Sky). While waiting for the TV series, you can also click on the link below to read the classic original work of "A Record of a Mortal's Journey to Immortality"!

The English words used to describe "cute" were adorably, cute, charming, lovely, sweet, precious, delightful, lovely, appealing, cuddly, and so on. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Here are some recommendations for survival novels suitable for girls: Wilderness Livestream: Extreme Survival, which tells the story of the female protagonist's extreme escape in the wilderness. It's full of challenges; Lady Survival Guide, which is an ancient survival story; and Sister Yan's Horse Fall, which is a female novel, which includes scenes such as the return of a real daughter and the abuse of scum. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Here are some possible ways to find Zhao Long's books in PDF-form: 1. The National Library reference alliance: This is a resource-rich website that allows you to find books, journals, and other materials. It also supports free downloads into the PDF-format. 2. Project Gutenberg: There are more than 60,000 free e-books. You can find Zhao Long's works and download them for free. However, you are not sure if they are available in the PDF-format. If not, you can convert them with the help of the Swift PDF-Convertor. 3. Z-Library: As of April 2023, it has more than 12 million books. It is the world's largest digital library. You can find Zhao Long's works and download them as PDFs or ebooks. 4. Ylibrary: 12 million books in zlibrary +5 million books in superlibrary are collected for searching. The library is larger and more convenient, and there are unlimited downloads. Perhaps you can find e-books written by Zhao Long, which may be in the format of PDF. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

In the reference materials, it was mentioned that in " Concubine Maltreatment," there was a plot where the male lead concealed his illness. The male lead wrote a divorce letter with tears in his eyes. However, at present, only this novel had such a plot. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The word "Geng" was pronounced as "gāng" in "Yigeng". "Geng" was a polyphone. When it was used to represent the unit of measurement for the night in the old days, it was pronounced as "gāng", such as "midnight". While waiting for the TV series, you can also click on the link below to read the classic original work of "Dafeng Nightwatchman"!

In Journey to the West, when they encountered the yellow-robed monster, Wukong was driven away, Monk Sand was captured, and Bajie ran away. The monster even turned Tang Sanzang into a tiger. At this time, in order to save his master, the White Dragon Horse transformed into a beautiful woman to perform a sword dance for the yellow-robed monster to assassinate the monster, but was injured. Later, he met Zhu Bajie and advised him to go to Wukong. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

According to the ranking information of Xianyang public kindergarten, Tianwang kindergarten was one of the better kindergarten in Xianyang City and was a public kindergarten. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Here are some English expressions to describe a playful kitten: - Playful: This word directly means "playful, mischievous", as in "A playful kitten is always full of energy." A playful kitten is always full of energy. - Frolicsome: The frolicsome kitten loves chasing its tail. This playful kitten likes to chase its own tail. - Mischief: It means 'naughty, mischievous.' It can be used to describe the mischievous look of a kitten when it likes to play. For example,"That mischief little cat is always up to some funny tricks." That naughty kitten is always up to some funny tricks. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>