HELP: HOW TO CONNECT HIGH POWER LEDS TO ARDUINO UNO

Hi, I'm starting with Arduino, I want to connect 10 series of 3 power LEDs, and 3.4v 500ma and I want to dimmear through Bluethooth but I've searched and it does not really show up as I have to do that, and which components do I need the most Could control are only 3 leds using the outputs of 9,10,11 Arduino UNO, is an aquarium lamp, thank you I hope to be able to help, thank you,
Could you give me some schematic, thanks

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