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| 00:17.04 | SpeedEvil | flyback: I'd recommend dealextreme.com, and get some cree LEDs and a reflector. |
| 00:18.29 | SpeedEvil | flyback: basically as iy's hard to ensure you're getting something decent and high light output |
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| 01:13.26 | flyback | SpeedEvil |
| 01:13.33 | flyback | probably easier to just get a mr11 led replacement |
| 01:13.36 | flyback | and reuse the base etc |
| 02:21.57 | SpeedEvil | mr11 repacements are very variable |
| 02:26.49 | flyback | eh? |
| 03:25.33 | sunrunner20 | LED's vary hihgly in quality unfortunatly |
| 03:25.47 | sunrunner20 | because of minor flaws in the wafer |
| 03:26.01 | sunrunner20 | which is why they are run off of current base instead of voltage |
| 03:27.35 | SpeedEvil | not really |
| 03:27.48 | SpeedEvil | good LEDs from good vendors don't vary outside their bin |
| 03:28.09 | SpeedEvil | +-7% flux or so IIRC from some common vendors |
| 03:28.45 | SpeedEvil | I was more meaning that there are vendors selling 1W LEDs that make 5* the light of other superficially similar ones. |
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| 03:49.24 | MonMotha | SpeedEvil: you pay for that privilege though |
| 03:50.26 | sunrunner20 | like I said |
| 03:50.32 | sunrunner20 | minor flaws in the wafer |
| 03:50.47 | sunrunner20 | each one is different |
| 03:50.56 | sunrunner20 | and there can be hundreds of leds per wafer |
| 03:53.48 | MonMotha | yes |
| 03:54.16 | MonMotha | hence why ones that don't vary as much are more expensive. They have to get process variances smaller and possibly also perform binning |
| 03:54.28 | MonMotha | which requires QAign every piece to an extend |
| 03:54.29 | MonMotha | extent |
| 04:03.31 | SpeedEvil | not really |
| 04:03.44 | SpeedEvil | there are LEDs which get 20lm/W and are pretty much all at that amount. |
| 04:04.01 | SpeedEvil | they are cheap and from china, and have very dubious lifetimes. |
| 04:06.04 | MonMotha | again, you get what you pay for |
| 04:08.54 | SpeedEvil | I'm just saying that it's not a defective or a process variation per LED, but that they are reaching their (low) designed efficiency. And that it's hard to tell on many LED bulb-replacements what LEDs are actually used, and if the lumen numbers are completely made up. |
| 04:09.46 | SpeedEvil | I've quite often seen lumens calculated by using peak hot-spot, and beam angle where the beam is at 10%, and assuming that you can simply multiply the brightness by the solid area... |
| 04:10.10 | SpeedEvil | In many cases this leads to a thermodynamic efficiency of 2-400% over the input supply. |
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| 04:13.54 | MonMotha | most datasheets seem to specify how they calculate output |
| 04:14.02 | MonMotha | really cheap ones don't, no |
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| 04:45.59 | SpeedEvil | I was meaning bulbs that pop up as replacements in catalogs and ebay, not ones with datasheets. |
| 04:46.24 | MonMotha | oh |
| 04:46.34 | MonMotha | I don't mess with those if I care about anything |
| 04:46.57 | SpeedEvil | yeah - the comment was on flyback - who is planning on an idea I gave him for a xmas tree. |
| 04:47.07 | SpeedEvil | Take a fiber optic xmas tree. (or a 'spray' light) |
| 04:47.32 | SpeedEvil | apply to the bottom a LCD in between the light source and the fiber bundle |
| 04:47.39 | SpeedEvil | and you can show (bad) images. |
| 04:47.45 | flyback | and enjoy the pretty cool effects ;) |
| 04:48.01 | SpeedEvil | after you scan the tree/spray of dots to find out the transfer function. |
| 04:48.13 | flyback | huh? |
| 04:48.33 | SpeedEvil | You can do the inverse to make a camera, but it doesn't work as the fiber ends have 45 degree acceptances. |
| 05:01.23 | SpeedEvil | illuminate one dot at a time of the LCD. |
| 05:01.31 | SpeedEvil | find out which bit of the tree glows. |
| 05:01.35 | SpeedEvil | compute look-up function. |
| 05:09.07 | flyback | sounds too painful for me :) |
| 05:09.15 | flyback | I have a hard time just sorting my socks |
| 05:36.24 | chouimat|away | calice je peux meme pas aller prendre une biere pis me taper une danseuse sans qu'un calice d'epais me fasse chier |
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| 15:24.29 | Tokemi | Hello! Is there someone here that could explain how OABI, EABI and N64 differ? |
| 15:25.41 | Tokemi | as im trying to build a image for the adm5120 processor, but i do not know which ABI that processor supports |
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| 17:59.39 | adyer_ | tokemi I thought adm5120 is a mips, and OABI and EABI are ARM related. N64 is one of the 64-bit APIs for mips |
| 18:04.38 | roxfan[zzz] | abi is mostly about software conventions anyway |
| 18:04.52 | roxfan[zzz] | just compile all code with the same compiler and it should be good |
| 18:50.27 | SpeedEvil | Though some compilers support multiple ABIs for some processors |
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| 19:05.48 | Tokemi | Sorry for my late reply, but thanks alot adyer, roxfan and speedevil :-) |
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| 20:15.58 | Tokemi | who |
| 20:16.05 | Tokemi | oops |
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