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Laszlo 24/08/2018
The voltage regulator is unstable below 4.2V, the display shows a widely varying value. The maximum voltage, 12.1V is reached, when the potentiometer is turned halfway to the max, then the voltage does not increase any more. My project needs variable output 3-5V, but in this range, contrary to the description, the adapter is unstable.
Comments (1)
  • Banggood Dear Laszlo, Thank you for choosing Banggood and sorry for the inconvenience caused. We have forwarded your feedback to our customer service team and will give you a proper solution within 24-48 hours.  If you have any other inquiries, please do not hesitate to contact us by filling out the form at this link: We will do our best to assist you.  Best regards, Banggood Team

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