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I had a chat with Jaycar today regarding building my own 12V version with a computer fan. Here's what he recommended:
1 x ZM9050 5W solar panel $29.95
1 x AA0372 DC-DC converter to limit the output voltage to 12V $9.95
10 x 1.2V NiMH 2500 mAh batteries (actually 3 x SB1738 @ $18.95 ea)
1 x PH9210 10 AA baterry holder $3.95
1 x YX2513 80mm 12V DC fan $19.95
1 x grille from Masters/Bunnings ~ $10
So all up about $130. How does that sound as an alternative with potentially higher air flow? The big cost is obviously the batteries and there might be a cheaper way to do this?
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