In this video, i will use a 12v 2 Amp Transformer and a fan speed controller to make a variable output voltage power supply for operating DC Motor and charging my 12v Batteries. Capacitors are optional but their use makes the output dc line smooth. My Dremel here : My Adjustable Power Supply : My Cordless Hammer drill: 20%OFF Coupon Code for Hammer drill::BG7322 My MUSTOOL X1 Clamp Meter: My Stainless steel digital Vernier caliper: My Bench Drill Press: Heat Shrink Tube : #batterycharger #12v #actodc #220v #amazing
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