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Topic: Power 5 meters of LED, instead of 1 meter in tutorial (Read 459 times) previous topic - next topic

alexval1323

im trying to do something similar, but underwater...can u point me in the right direction

superdave

If I wanted to power 20 meters, needing about 36 amps, could I use a computer power supply rated at 500w and wire it into the 12v wire?

Grumpy_Mike


If I wanted to power 20 meters, needing about 36 amps, could I use a computer power supply rated at 500w and wire it into the 12v wire?



No because a computer supply is not 12V at 500W but many different power rails at different voltages. That amount of current is a seriously large amount and lots of other factors come into play that would normally be insignificant, like the resistance of the connecting wire and smoothing of the supply with larger capacitors.

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