Nowadays led signs and banners are getting more and more popular, also their price is going down slowly, but personalized ones still have a spicy price, so Ive decided to make one by myself for less than 30$. I wanted to lit up every character separate in order to make it look more interesting and professional, […]
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Introduction In this article I am going to present my struggling about rewinding a microwave oven transformer (MOT) in order to make a low voltage (20-30V) but high current (15-30A) transformer. I have done these experiments in order to make a cheap but a very handy transformer for a bench supply. These types of transformers 500-100 VA transformers cost […]
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