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Preface
This chapter uses the Lumberg observer to perform sensorless control of permanent magnet synchronous motors. First, the principle of the Lumberg observer is analyzed, and then a full-o...[Details]
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Field strength instrument generally refers to the instrument used to test field strength. The size of the field strength meter is the unit of V/m, which contains the length unit m. In principle, the ...[Details]
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/*This program is a common colored light, it has four main functions:
The first mode: when the power is on, the four colors cycle once at a speed of 0.5 seconds, and then
stop cycling at white, that...[Details]
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The reporter recently learned from the Sichuan Provincial Department of Economy and Information that Sichuan has taken six measures to build a leading vanadium battery energy storage industry base in ...[Details]
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As August draws to a close, Apple’s new product launch is getting closer. Recently, Bloomberg published an ultimate prediction article, which revealed a lot of information about new iPhones, iPads an...[Details]
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Although smartphones as virtual car keys have not yet entered mass production, the technology has taken another step forward. According to foreign media reports, NXP has introduced a security archite...[Details]
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Until today, most video surveillance is limited to real-time browsing and recording, and cannot identify the content in the picture, let alone thinking and taking action. If video surveillance can...[Details]
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1. System Overview
Nowadays, the mainstream of world education development is to attach importance to the impact of modern educational technology on education and vigorously promote the mo...[Details]
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1. Code: #include reg52.h typedef unsigned int u16; typedef unsigned char u8; sbit led = P1^0; void delay(u16 num) { u16 x,y; for(x=num; x 0; x--) for(y=110; y 0; y--) { ...[Details]
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1. What is Bluetooth technology?
Answer: Bluetooth technology is actually a short-range radio technology. It can effectively simplify the communication between mobile communication terminal devic...[Details]
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Linear Technology Corporation introduces the LTC3245, a versatile 250mA high voltage buck-boost charge pump. The device uses switched capacitor fractional conversion to maintain stability over a wi...[Details]
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Offset printing is a relatively complex production process. Ink, fountain solution, printing plate, rubber blanket, substrate, printing pressure and other factors in the offset printing process w...[Details]
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Abstract: This paper designs a single-chip MP3 player, using the open source software project EFSL. Taking advantage of its small memory requirements, simple porting, and free of charge, the paper des...[Details]
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Abstract: This paper mainly describes the application of photovoltaic power generation and ZigBee protocol in the home intelligent anti-theft system. In order to achieve the purpose of alarm, the ...[Details]
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A friend wanted to customize a water purifier controller and added some unique functions, but the commercial control board did not have such functions, so he asked me if I could make one. I think the...[Details]
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