問題

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  Ask a simple copper laying question. PCB

  July 10, 2020 by Edith 1
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  Why can the boost circuit be debugged but not drawn on the board? Adjustable boost circuit

  July 10, 2020 by Ernesto 1
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  The mobile power chip ETA6884 is a switch-type lithium battery charger that can provide up to 3A of charging current to the battery. power supply

  July 10, 2020 by Tomas 1
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  How to make a wireless charging device to power the car, what is the idea? Wireless charging

  July 10, 2020 by Marie 1
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  On the issue of current at the transmitter's series resonance. Resonant circuit

  July 10, 2020 by Darcy 1
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  How to realize the dynamic scanning of the three primary color lights without cross light phenomenon? LED

  July 8, 2020 by Romario 14
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  Why is the buzzer of the eight-way answering device not continuous? buzzer

  July 8, 2020 by Aishwarya 13
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  How to compare the voltage results collected by the MCU twice? Voltage acquisition

  July 8, 2020 by West 13
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  Consult the circuit of the dust detection sensor module. sensor

  July 8, 2020 by Gaby 14
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  How to use allegro's motor driver chip A3950? Allegro

  July 8, 2020 by Yuki 14
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  Why does the resistance of VDD and GND become lower for a period of time after the circuit is powered on? AD7682

  July 7, 2020 by Fred 18
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  Matrix button diode use diode

  July 7, 2020 by Martina 14
• 0答えて
  Causes and solutions of the leakage current of the tertiary tube? Triode

  July 7, 2020 by Diane 14
• 1答えて
  Matrix button diode use. Circuit design

  July 7, 2020 by Gino 15
• 0答えて
  Questions about the relationship between voltage and current in linear optocoupler circuits. Circuit design

  July 7, 2020 by Pierre 15
• 1答えて
  Can the output of the op amp be connected to the non-inverting input? Operational Amplifier

  July 6, 2020 by Adi 14
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  What are the advantages and disadvantages of the two power control methods? Circuit design

  July 6, 2020 by Collins 14
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  The role of capacitors and diode circuits? Circuit design

  July 6, 2020 by Ollie 14
• 1答えて
  What is the principle of an op amp circuit? Op amp circuit

  July 6, 2020 by Emerson 14
• 0答えて
  How does the transistor slow-start circuit evolve from power-on to steady-state operation? Triode

  July 6, 2020 by Riley 14