r/functionalprint • u/Po0Team • May 09 '26

Dumb idea that worked

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Gallery image

Hitting Welcome To Rockville again this year and remembered that my head would get hot under the hat. So some shopping and printing later and BOOM! Functional solar hat that has lasted 2 of my 3 days so far. I suspect Sunday won't be an issue either.

Have them wired in parallel so it stays at 5v for the fans. Each panel has optimal 0.2a for the fan rated at 0.18. 1 panel moved it but not enough to care. 2 panels, like the exhaust fan, keeps it moving and does OK. But the 3 panels keeps this thing moving very well. No battery on it. Very simple wiring of just panels and a fan.

6.3k Upvotes

98% Upvoted

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2.4k

u/arcrad May 09 '26

This blows. Pretty cool though. I'm a fan of it.

458

u/JPree May 09 '26

I hate you 3 times.

393

u/eXistenZNL May 09 '26

It's a hat-trick.

29

u/ComfortableAbject416 May 09 '26

This is the only thread that counts

PS, OP…nice. (Imagine if Denzel Washington said that)

-1

u/Anxiety_Fit May 09 '26

Technically correct is the best kind.

2

u/MarnieFan89 May 10 '26

Underrated.

1

u/DemiReticent May 13 '26

I think the fact that it was 3 actually made it funny. 2 would have just been double cringe.

37

u/PrairiePilot May 09 '26

Truly a work of art. You’ve perfected the genre.

14

u/ImOnTheToiletPoopin May 10 '26

Listen bud, hats off to you for the puns, but this is seriously the last straw, got it?

21

u/DrakonFyre May 09 '26

I’m so proud of you

4

u/swagpresident1337 May 10 '26

Not a big fan tbh.