Reducing damp in basement.?

So I've just moved into my new basement bedroom but i'm concerned about damp, there is a odd smell in the room and I've had some of my electronics give me moisture warnings. I've looked at electric dehumidifiers but they're quite expensive and i'm concerned about noise, does anyone know a... show more So I've just moved into my new basement bedroom but i'm concerned about damp, there is a odd smell in the room and I've had some of my electronics give me moisture warnings. I've looked at electric dehumidifiers but they're quite expensive and i'm concerned about noise, does anyone know a cheaper or DIY options, additionally is there anything other issues I should look out for?
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