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Article #69Re: Interesting product
From: John Larkin
Date: Fri, 01 Feb 2013 04:45
Date: Fri, 01 Feb 2013 04:45
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2998 bytes
On Fri, 01 Feb 2013 10:39:08 +0800, Dennis <none@null.net.au> wrote: >Saw this advert - shower head with LEDs to illuminate the water stream, >coulour indicates temperature. > ><http://www.coolproductsusa.com/shop/led-shower-head-with-temperature-sensor/?fb_action_ids=3921615035746&fb_action_types=og.likes&fb_source=hovercard&fb_aggregation_id=246965925417366> > > >Supposedly without batteries or external power. > >"No batteries and external power supply needed. >The color change tells you the water temperature. >Bright LED light. >Approved by CE & RoHS certificates. >Electricity is generated by hydraulic mechanism." > > >I wonder what mecahnism they use to generate the power & if it really is >as bright as the marketing pictures depict! > > >No doubt they will make a few dollars out of it! > > > You could in theory have a shower head that delivered 50 watts or so of electrical power from the pressure drop. -- John Larkin Highland Technology Inc www.highlandtechnology.com jlarkin at highlandtechnology dot com Precision electronic instrumentation Picosecond-resolution Digital Delay and Pulse generators Custom timing and laser controllers Photonics and fiberoptic TTL data links VME analog, thermocouple, LVDT, synchro, tachometer Multichannel arbitrary waveform generators
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From: John Larkin <jjlarkin@highNOTlandTHIStechnologyPART.com>
Newsgroups: sci.electronics.design,aus.electronics
Subject: Re: Interesting product
Date: Thu, 31 Jan 2013 20:45:38 -0800
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