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This article focuses on how to drive a piezo buzzer with a large AC voltage using a microcontroller. It uses a four-MOSFET circuit connected to two I/O pins of the microcontroller (Reference 1). The ...[Details]
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DC current sources with good stability, high precision and preset output are often used in electronic devices. The digitally controlled DC current source designed in this paper can effectively re...[Details]
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At present, the method used by most signal generators to generate pulse signals is to fill the DDS waveform memory with raw pulse data. According to different rising and falling edges and pulse wid...[Details]
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With the rapid development of science and technology in modern society, people's audio-visual equipment for daily life and entertainment is constantly being updated, and early traditional analog te...[Details]
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The clock frequency of the mcs-51 microcontroller is 6 MHZ and the T0 working mode is 2
OUTBIT EQU 08002h ; Bit control port
OUTSEG EQU 08004h ; Segment control port
IN EQU 08001h ; ...[Details]
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Introduction
Damage to train wheel bearings will lead to major traffic accidents, and early prevention is the best way to avoid accidents. Most existing bearing temperature acquisition systems...[Details]
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Compared with traditional lighting methods,
LED lighting
has many unique features, mainly in the following aspects: from a structural point of view, the light source and lamps of traditio...[Details]
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Address space planning Open m16def.inc and you can see the following definition, which corresponds one-to-one with the address space of FlashROM, SRAM, EEPROM, etc. described in the manual. ; *****...[Details]
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Recently, Fangcun Microelectronics officially joined the Zhongguancun Trusted Computing Industry Alliance, and is committed to further extending the company's development path through industrial coll...[Details]
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1. The internal temperature sensor of STM32 is connected to channel 16 of ADC and used with ADC to measure temperature. Measurement range –40~125℃, accuracy ± 1.5℃ Operation process: 1), set...[Details]
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Configure STM32F103 clock (HSI) to 48M void SystemClock_Config(void) { RCC_DeInit(); RCC_HSICmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); RCC_HCLKConfig(RCC_S...[Details]
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At 18:00 on November 26, accompanied by the crisp sound of circuit breaker closing, the State Power Investment Corporation's Dangxiongyangyi Photovoltaic Energy Storage Project, the world's highest...[Details]
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Resolver: The resolver is used to analyze and process the current position of the shaft and is a rotary travel measurement system.
1 rotor
2 Stator
3 Sine coil and cosine coil
...[Details]
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Fan users often say that it is very difficult to balance the fan. They don't know whether to do single-sided balancing or double-sided balancing. Some fans still have large vibrations after balancing....[Details]
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High voltage cabinet and low voltage cabinet are two indispensable components of the power system, and there is a close relationship between them. This article will introduce in detail the function...[Details]
PCB Design
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