How to create a 38 Khz pulse with arduino using timer or PWM?

USING Arduino nano v 3.0

Just trying all that weak to put a IR led at 38khz its so crazy reading all the posts,

I realy Please some ppl, can i have a simple code that work on arduino nano v3.0
geting a IR led at 38khz. Please

I start geting crazy reading testing reading testing ..... dam god help us

Domino60 :~