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The concept and working principle of variable frequency motor
A variable frequency motor is an electric motor that can control the motor speed. It can make the motor speed and output power adj...[Details]
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In the electronic age, hardware is developing by leaps and bounds, and the frequency is constantly rising. The frequency of the current STM32 series, Cortex M series, and Cortex-M4 is already 180MHz,...[Details]
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On June 18, semiconductor cleaning equipment supplier ACM Semiconductor (ACMR) announced on its official website that the company will promote its Shanghai operating subsidiary ACM (Shanghai) Researc...[Details]
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Since the official release of iOS 15.4, people's attention to iOS 15 has obviously dropped a lot. After all, these months are the months when new phones are frequently released. For example, in April...[Details]
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Selection of TVS tube
The following points should be noted when calculating and selecting:
①The TVS rated reverse shutdown voltage VWM should be greater than or equal to the maximum opera...[Details]
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1. How to switch modes in APP APP generally runs in User Mode and is subject to restrictions (for example, it cannot access hardware) If the APP wants to access the hardware, it must switch modes How...[Details]
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Introduction: 1. Setting up the IAR development environment for AVR microcontrollers 2. Precautions for using IAR 1. Construction of IAR development environment for AVR microcontroller 2. Precaut...[Details]
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Looking back now, starting from 2007 when Levandowski and David Hall were riding motorcycles in Silicon Valley to sell lidar , by 2023, China’s automotive market alone will have shipped nearly 600,00...[Details]
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On April 3, Tu Li, executive deputy general manager of Sichuan Development Xingxin Vanadium Energy Technology Co., Ltd., and his four-member delegation visited the Institute of New Materials for ex...[Details]
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The basic AVR hardware circuit includes the following parts:
1. Reset circuit
2. Crystal oscillator circuit
3. AD conversion filter circuit
4. ISP download interface
5. JTAG emulation inter...[Details]
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3.1 Signal Conditioning Circuit
Signal conditioning can be specifically divided into two aspects: one is the effective suppression of noise interference; the other is to condition the output sign...[Details]
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PFC circuit diagram
1 PFC control circuit The current loop of the PFC circuit is controlled by the error signal of the rectified input voltage and the output voltage through a multiplier. The o...[Details]
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1. Demand Analysis: 1. 19K~21KHz frequency square wave Uo1; 2. Sine wave Uo3. 3. Cosine wave Uo4. 4. Narrow pulse Uo2 with a duty cycle of 5%~15%. 5. The single chip microcomputer measures th...[Details]
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According to news on October 31, Tesla’s stock price fell nearly 5% on Monday, U.S. time. Previously, Tesla's long-term partner and battery supplier Panasonic released a financial report admitting th...[Details]
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What gas is used in gas chromatograph? What level of purity gas should be chosen as the carrier gas and auxiliary gas of the gas chromatograph (high purity nitrogen, high purity argon, high purit...[Details]
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