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Anton 01/03/2020
This PCB has mistake — one lead of optocoupler is not connected, so the device does not work. But it is easy to fix yourself. Also the specified parameters are wrong — when voltage will exceed 20 Volts, the MOSFET will break, because gate-to-source voltage of F5305S MOSFET cannot exceed 20 Volts. Also, if you want to control this board with 3.3 V logic, then you should short-circuit the LED, otherwise there will not be enough current for optocoupler. Also the module does not have protection diode to use it with inductive load.
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  • Banggood Dear Anton,Thank you for your feedback and we are really sorry for all the inconvenienced caused during your shopping and looking forward to solve your problem.We have already received your feedback for the order. We would like to try our best to provide you the best solutions. For this reason, if your questions have not been solved yet, please do not hesitate to contact us via the link: https://www.banggood.com/es/Contact-Us_hi111 and provide more details about your question so that we can confirm the case as soon as possible and solve it efficiently.And we will reply and offer you the best solutions after receiving your email within 24-48 hours.Best regards,Banggood Team

    04/05/2024
  • Peter thanksfor that Anton I have the same fault on my boards The opticoupler lead you highlight is not connected back to -ve.
    by making this connection the board works
    Glad I found your review.

    Thanks

    Ответить 11/02/2021
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