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48% OFF AC 110-220V To DC 5V 4A 20W Driver Switch Power Supply Transformer For LED Strip Light US$8.33 US$15.99 View It

Overall:

Aurum 15/11/2019

After a slight modification to provide 3.7V, this PSU gave this oldie GB switch a new life . Happiness 8)

Comments (3)

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Alexandre You could be a really nice guy and explain the slight modification, couldn't you? it could be useful for me and other people. Please do that :)
Reply 25/10/2020

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Aurum @Alexandre It\'s been a while, but I believe I\'ve changed a resistor in serial to the potentiometer to allow a voltage range less than 5V. In other words changed the ratio of the voltage divider between Vout and the feedback line (potentiometer variable pin).
Reply 27/10/2020

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Alexandre @Aurum @Aurum, just read your comment today, what you suggest seems logical. Thanks for the tip!
Reply 14/11/2020

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