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fungus
Moderator
299 Posts |
 Posted - 30/08/2007 : 20:40:43
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Put this together with old bits I had lying around;
5w resin solar panel
7ah sla
maplin charge controller (case was taken off it(wanted to see what it was..))
ccfl from a scanner
The ccfl is the tubular light that sits on the carriage of the scanner, I was lucky and it only had two leads, hook up to 12v power, but others may need a bit of messing around. Nice bright light and takes 300ma, tube barely gets warm in operation.
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gotwind
Forum Admin
United Kingdom
949 Posts |
Posted - 30/08/2007 : 21:08:00
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Nice use of 'lying around bits' Fungus - they're always worth keeping...
You could also substitute the scanner lamp for a purchased 12v cfl car inspection lamp - 8w - 660Ma (£10)
Or even the 12v cold cathode tubes that a stocked in most car accessories shops for 'boy racers' and the like..
Definitions of the above post by fungus - Sorry, if most are familiar with the terms.
sla - sealed lead acid battery
Cfl - compact fluorescent lamp
ccfl is a mystery to me - maybe a typo?
The Futures Green - Getwind of it. |
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fungus
Moderator
299 Posts |
Posted - 30/08/2007 : 21:50:14
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Yes, sorry for using the acronyms, just used to using them :)
Never said cfl...
ccfl not a typo-as you already said its a cold cathode fluorescent light-more efficient and running cooler. |
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ll81
Junior Member
124 Posts |
Posted - 31/08/2007 : 16:27:55
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Neon instead of mercury gas. Name crossed over from neon cold cathode valves that replaced thermionic valves in calculation devices that required only a high or low state (on or off no inbetween) output from the valve.
woo-hoo |
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BushWhacker
Junior Member
Canada
329 Posts |
Posted - 01/09/2007 : 02:55:50
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And you find these in old scanners? As in dead computer scanners?
Things that make me go HMMMmmm.
I put my trailer (caravan) wind catcher together today with exception of the mount and ball bearings. (machine shop time)
All the same it is easier to save power than produce it. I'm running some 12 volt fluorescent lights and getting into some LED's but this ccfl business is interesting. Do say more!
Cheers!
BW
Everything should be made as simple as possible, but not one bit simpler. - Albert Einstein |
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fungus
Moderator
299 Posts |
Posted - 01/09/2007 : 12:18:41
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| Yep, its the bulb used to light up the surface while its being scanned, crack the case open and get the carriage off somehow, there'll be a small circuit board which has two or three wires, apply power to the wires... Some scanners have separate red/green/blue tubes, harder to power these.. |
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Little lighting system I chucked together..
