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Author Topic: What parts/mapping for pressurized power?  (Read 458 times)
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San Francisco
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I'm going to build a manual water pump, equipped with color changing LEDs, and a matching harmonic output (speakers playing sounds) to the pressure. I want the LEDs to change color & the pre-recorded sounds vary, as the pressure changes in the pump.

What parts would I need? And what mapping would be necessary to read the pressure?

Also important, it has to be hand powered = no external power sources...

Any help is good help...

TNX!  smiley-eek
« Last Edit: March 12, 2012, 12:09:12 am by JungleMist » Logged


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That sounds pretty interesting, I've never seen such a device before tho so it'll be a little hard tonfigure out
Most devices like the ones on sink have a battery, although you could get a little generator that could power the device when water is flowing
However leds and mostly speaker draw a decent amount and I think that will be hard to achieve without a battery somewhere
Idk if there a way to generate power from just pressure, but probably the generating device will also be your sensor on pressure
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You need a wave shield for the sound generation bit.

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Also important, it has to be hand powered = no external power sources...
How will that work? I can't see a way other than solar power charging a battery.
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Especially because everything I know about power generation requires a change in something,  a constant pressure can't create power but a release of pressure can but I doubt you'd want to release the pressure from the pump for it to tell you that your pressure is going down
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You need a wave shield for the sound generation bit.

Quote
Also important, it has to be hand powered = no external power sources...
How will that work? I can't see a way other than solar power charging a battery.

Good point, I think solar might be the way to go [for constant power]. thnx
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