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− | == POV display == | + | [http://atrayah.ifrance.com/topic/yamaha-rxv.htm yamaha rx-v1500] [http://mfirishka.ifrance.com/view/new/magix-film.htm magix film su cd dvd] [http://call-shotgun.ifrance.com/view/new/mono-mario/ mono mario] [http://flawedamythyst.ifrance.com/img/styles/chicasdesnudas.htm chicasdesnudas] [http://alishca-st.ifrance.com/text/directory/audigy-.htm audigy 2 editor] [http://joshuaw-wise.ifrance.com/img/styles/sio-gucci/ sio gucci italiano] [http://flawedamythyst.ifrance.com/img/styles/immagini-e.htm immagini e artwork per ys vi] [http://call-shotgun.ifrance.com/view/new/papa-giovanni/ papa giovanni] [http://cocopuff66.ifrance.com/text/directory/sinudyne-tv/ sinudyne tv 28] [http://krychan.ifrance.com/content/view/jamie-stevens.htm jamie stevens] [http://sm4.ifrance.com/lib/free-polini/ free polini] [http://gajar.ifrance.com/html/brigitte-lahaie.htm brigitte lahaie] [http://joshuaw-wise.ifrance.com/img/styles/il-mercante/ il mercante di schiave] 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− | + | (Can someone insert an explanation of what a POV display is?) | |
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[[User:DavidCary]] is building yet another "POV display". | [[User:DavidCary]] is building yet another "POV display". | ||
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rated in lumens, they're rated in candelas. | rated in lumens, they're rated in candelas. | ||
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Is it even possible to estimate "lumens" from the catalog information? | Is it even possible to estimate "lumens" from the catalog information? | ||
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Do you know what the difference is? Does your flashlight really | Do you know what the difference is? Does your flashlight really | ||
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* $18.89 "Lamina light engine" BL-22B1-0140 : 22000 mlm at 420 mA. (this price includes the required heat sink -- price in ones from http://Digikey.com/ ). This has the most lumens per dollar I've found so far (for blue LEDs). | * $18.89 "Lamina light engine" BL-22B1-0140 : 22000 mlm at 420 mA. (this price includes the required heat sink -- price in ones from http://Digikey.com/ ). This has the most lumens per dollar I've found so far (for blue LEDs). | ||
* $8.750 Sunbrite LuxLEDs SSP-LX6144D7UC blue: 120 mA, 2500 mlm, 1800 mcd (Odd that the red Sunbrite LuxLEDs are cheaper at Newark, the other colors cheaper at Digikey.) cheapest $/lumen blue LED, except for the "light engine" | * $8.750 Sunbrite LuxLEDs SSP-LX6144D7UC blue: 120 mA, 2500 mlm, 1800 mcd (Odd that the red Sunbrite LuxLEDs are cheaper at Newark, the other colors cheaper at Digikey.) cheapest $/lumen blue LED, except for the "light engine" | ||
− | * $2.550 Lumex "DSP LED" 67-1876-ND: blue, 5 mm, 2500 mcd ( DigiKey ) apparently have some kind of internal chip. All colors run at 2.0 V nominal (1.5 V minimum) (rather than running on current like most LEDs. | + | * $2.550 Lumex "DSP LED" 67-1876-ND: blue, 5 mm, 2500 mcd ( DigiKey ) apparently have some kind of internal chip. All colors run at 2.0 V nominal (1.5 V minimum) (rather than running on current like most LEDs. unfortun |
+ | 1000 | ||
+ | ately, the data sheet doesn't suggest how much current they take -- I presume more than 20 mA). | ||
* $1.600 Sunbrite "based LED" SSP-01TWB7UWB12 (441-1007-ND) blue 10 mm 20 mA 7000 mcd | * $1.600 Sunbrite "based LED" SSP-01TWB7UWB12 (441-1007-ND) blue 10 mm 20 mA 7000 mcd | ||
* $5.980 GM5WA06270A SMT RGB (35 mA red, 35 mA green, 35 mA blue) 3000 mcd (full color range -- apparently used for digital camera flash ?) (Digikey) | * $5.980 GM5WA06270A SMT RGB (35 mA red, 35 mA green, 35 mA blue) 3000 mcd (full color range -- apparently used for digital camera flash ?) (Digikey) | ||
− | * Mouser: hi-power LEDs ( http://www.mouser.com/search/refine.aspx?Ntt=LEDs | + | * Mouser: hi-power LEDs ( http://www.mouser.com/search/refine.aspx?Ntt=LEDs hi-power ) shows "lumens" directly -- exactly what I wanted. |
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Spoke-POV and propeller clocks links: | Spoke-POV and propeller clocks links: | ||
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* An entire discussion forum devoted to POV displays http://www.ladyada.net.nyud.net:8090/forums/viewforum.php?f=11 | * An entire discussion forum devoted to POV displays http://www.ladyada.net.nyud.net:8090/forums/viewforum.php?f=11 | ||
** In particular, lots of nice pictures http://www.ladyada.net.nyud.net:8090/forums/viewtopic.php?p=4712 | ** In particular, lots of nice pictures http://www.ladyada.net.nyud.net:8090/forums/viewtopic.php?p=4712 | ||
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* LEDtoy on Sourceforge http://ledtoy.sourceforge.net/ | * LEDtoy on Sourceforge http://ledtoy.sourceforge.net/ | ||
* Ian’s Spoke POV http://www.ianpaterson.org/projects/spokepov20050704/index.htm | * Ian’s Spoke POV http://www.ianpaterson.org/projects/spokepov20050704/index.htm | ||
− | * "Propeller Clock" Mechanically Scanned LED Clock: by Bob Blick http://www.bobblick.com/techref/projects/propclock/propclock.html (I think this is the original | + | * "Propeller Clock" Mechanically Scanned LED Clock: by Bob Blick http://www.bobblick.com/techref/projects/propclock/propclock.html (I think this is the original) |
* micro POV display http://positron.org/projects/mpov/ small enough for "glueing it to my shaved head." | * micro POV display http://positron.org/projects/mpov/ small enough for "glueing it to my shaved head." | ||
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I think so--[[User:71.234.233.163|71.234.233.163]] 18:06, 22 June 2007 (PDT) | I think so--[[User:71.234.233.163|71.234.233.163]] 18:06, 22 June 2007 (PDT) | ||
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