Questions

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  Analyze this control relay circuit. Darlington tube

  November 27, 2020 by Morris 4
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  How can STM32 Nucleo use the Mini USB port on the board to supply power without plugging it into the computer? STM32

  November 27, 2020 by Beyonce 3
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  The method of STM32 measuring high frequency 100K-120K with input capture has a large error. MCU

  November 27, 2020 by Colbie 0
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  What should I do if the success rate of STM32F103 SW interface burning program is low? STM32F103

  November 27, 2020 by Yuri 6
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  The programming is successful. The power-on pin is all high and the program does not run at all. MCU

  November 27, 2020 by Hakeem 5
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  Does L496 only have serial communication via USART2? USART

  November 26, 2020 by Justin 1
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  This is an anti-reverse circuit, R1.R3.R14.R15 all NC is not attached, but how is this circuit formed now? Anti-reverse circuit

  November 26, 2020 by Robert 0
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  Ask about PFC circuit. PFC

  November 26, 2020 by Riley 3
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  When is the inductor added to the LDO output? Buck-Boost circuit

  November 26, 2020 by Jessica 4
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  How to calculate the magnification of the amplifier circuit? amplifying circuit

  November 26, 2020 by Zachary 0
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  How do I solder the diode in the picture? diode

  November 25, 2020 by Cannon 5
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  stm32f4discovery audio acquisition and FFT calculation frequency is very large. STM32

  November 25, 2020 by Lennox 4
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  About the serial communication between STM32 and zigbee module. STM32

  November 25, 2020 by Miya 4
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  What is the reason for the small viewing angle of the customized segment LCD display? Segment code LCD screen

  November 25, 2020 by Adele 1
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  The if statement encountered during C language debugging is invalid, but it can be executed. MCU

  November 25, 2020 by Deja 1
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  What is the reason for the abnormal push-pull output waveform? Abnormal waveform

  November 24, 2020 by Edmund 7
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  How do I calculate the time used by the button battery? Button Battery

  November 24, 2020 by Emme 8
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  What could be the reason for the failure of the rectifier bridge when the switching power supply is turned on? How should it be solved? Switching power supply

  November 24, 2020 by Clifford 7
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  Consult the distribution of power boards. DC-DC power supply

  November 24, 2020 by Laurence 8
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  Stm32f427 replaces stm32f207 with 100 feet, and the serial port download jlink simulation encounters problems. Stm32f427

  November 24, 2020 by Kelli 7