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  • Connect Common Anode RGB LED's to Common Ground RGB LED's

    U would need to build a sealed isolated box as this is a car situation so the pcb would be exposed to the elements. For your purpose I think those rgb bars will use quite a bit of current so mosfets would be your best option. I don't know if there is a commercial option that uses my concept but u might look for rgb common anode to cathode converter on ebay maybe now they have made those. When I made this instructable there were none.

    Values depends on the amount of leds u are controlling. Small TO-92 can handle 200 ~ 1000 ma for more u need large heatsink mountable transistors or mosfets. Current is for each channel.

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