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With the development of 5G communication technology, the power consumption of 5G mobile phones is about 20% higher than that of 4G mobile phones, which puts higher requirements on the battery life of...[Details]
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introduction
In order to meet the requirements of ignition of explosive bridge wires with different resistance values in a narrow space, a switching power supply with small ripple, adjustabl...[Details]
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The breathing light was first seen on Apple computers, and in recent years it has also frequently appeared on various mobile phones. The breathing light is a very simple thing. Use a 555 to build a...[Details]
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The STM32 timer has a PWM input capture mode. PWM input capture is a special case of timer input capture, which is specifically used to measure the frequency and duty cycle of the PWM wave (the chip d...[Details]
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introduction
The serial port server is a protocol conversion module. It provides 1, 2, 4, 8 or 16 RS-232 or RS-422/485 serial ports and 1 10/100M Ethernet port. It can connect RS-232 or RS-422...[Details]
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TM1637 four-digit digital tube module is a 4-digit common anode digital tube (0.36 inches) display module with clock points. The driver chip is TM1637 and the driving mode is IIC. Therefore, only 2 s...[Details]
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Abstract: According to the mathematical model of permanent magnet synchronous motor and the principle of vector control, a servo system based on DSP control is developed through simulation and ex...[Details]
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1. Introduction
LTE system supports two duplex modes, FDD and TDD. In these two duplex modes, most of the system designs, especially the high-level protocols, are consistent. On the other hand...[Details]
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On November 9, China National Nuclear Energy Co., Ltd. issued a bidding announcement for the centralized procurement of energy storage in 2023-2024. The bidding is divided into two sections, Section 1...[Details]
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Solar photovoltaic power generation can directly convert solar energy into electrical energy. It is a new technology for obtaining electricity in a clean and low-carbon way. It is also a very import...[Details]
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According to GSMArena, after Google pushed the December update, many Pixel 6 users reported that a new bug had appeared, the signal was often lost, and calls and data connections were affected. This ...[Details]
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The input circuit of the switching power supply mostly adopts a rectifier plus capacitor filter circuit. At the moment of closing the input circuit, a large instantaneous impact current will be for...[Details]
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When I was writing a report a few days ago, I accidentally needed to use the software simulation in Keil5 to see the output PWM waveform. After several attempts, I finally figured it out. The problem...[Details]
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On the morning of November 19, vivo held the vivo Developer Conference (VDC2020) in Shenzhen. At the conference, vivo Vice President Zhou Wei gave a detailed introduction to the vivo new genera...[Details]
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A soft starter is an electrical device used to start a motor. It can effectively reduce the current shock when the motor starts, extend the service life of the motor, and improve the stability ...[Details]
Microcontroller MCU
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