Banggood Hi , Sorry to hear that. Would you please contact our customer service cservice@banggood.com? Please send us your order number and a video or some pictures to show your problem.
02/05/2024Grayed Itmight need to be adjusted. There is a tiny trimpot (potentiometer) on the back. Use a small slot-head screwdriver to gently turn it to set the voltage so it matches the reading on your multimeter.
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