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Classification and selection of sectors:
According to the figure below, we can see that the three-phase inverter circuit has a total of 6 switching tubes. Since a short circuit cannot be forme...[Details]
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A netizen on Zhihu asked a question called "How do you view OPPO's success?", which attracted a lot of attention. Among them, the answer of @飞傲James, a former OPPO employee, current OPPO shareholder,...[Details]
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introduction
In wireless Bluetooth speakers, home audio systems, car audio and other products, Class D amplifier chips are becoming more and more popular due to their high efficiency and SMD p...[Details]
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Renesas Electronics Launches New Automotive Actuator and Sensor Control MCUs for Evolving Small Applications in Next-Generation E/E Architectures
16-bit RL78/F24 and RL78/F23 bring...[Details]
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1: Driver brief description; The driver implements serial port interrupt reception and transmission of data, and the buffer uses a ring buffer. Transmission: manually set the RI interrupt flag to 1...[Details]
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Abstract: Compared with the traditional two-stage PFC converter, the single-stage PFC AC-DC converter only uses one switch and one controller. The application of single-stage PFC technology in low-...[Details]
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Speed determination circuit
The core of the speed discrimination circuit is a re-triggerable monostable CD4538 (Figure 2). When the microcontroller controls the stepper motor to run, the phase-...[Details]
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When I first started working on the power supply, the master would repeatedly remind me that the PE ground needs to be disconnected when using an oscilloscope. This is because the reference ground of...[Details]
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How to accurately test ripple with TDS2012C: TDS2000 series oscilloscope is the only entry-level oscilloscope with lifetime warranty from Tektronix. It has been on the market for 10 years from the fi...[Details]
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Since Apple introduced Touch ID fingerprint recognition technology into the Home button of iPhone 5s in 2013, capacitive fingerprint recognition has started to flourish. It has also accelerated the d...[Details]
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The shielding filter function of stm32 has requirements for ID. You can write ID directly in mpc2515, but in STM32, ID must be shifted.
Refer to the following table:
Extended Id filter setti...[Details]
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This morning (3), news of a power outage was reported again in Taiwan, China. Taipower said the power outage was due to an accident at the switchyard of the Xingda Power Plant, which caused an imbala...[Details]
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#ifndef _DELAY_H_ #define _DELAY_H_ #define uint unsigned int #define uchar unsigned char void delay_1us( void ); //1us delay void delay_1ms( void ); //nms delay void delay_nus( uint n ); //1ms ...[Details]
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According to news on June 16, Micron Technology announced today that it plans to invest more than 4.3 billion yuan in its packaging and testing factory in Xi'an, China, in the next few years. The a...[Details]
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Abstract: This article introduces a dual controller composed of serial bidirectional communication between the programmable logic device CPLD and the microcontroller AT89C51.
Keywords: ...[Details]
PCB Design
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