DIY LED Aquarium Lighting for mini fish tank – Use old CPU heat sink

By: DIY FOR MY HOME

3x LED Luxeon 3W/3v/600mA

1x Old CPU heat sink 1x Adatper 12V/2A

1x LM2596 ADJ DC-DC Step-Down Module 5V/12V/24V Adjustable Voltage Regulator 3A

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