[Ronja] some questions.. plz help

[Saad Shakeel]

Hi guys,
  Going through the site, i saw a page with the names of all registered Ronja installations with some details on their specs... i saw that some people had modified the orginal design by using lasers , etc. Is their any way we could get some info on how those circuits were made? 
  Similarly , though i wasn't able to find any of the HPWT series LEDs here in Pakistan, i saw alot of seemingly unbranded leds with ratings of 15,000 mcds!! Is that possible to achieve? the shopkeeper told me these were chinese leds and are generally used in traffic signals... any idea if they might work out??
  And can we use an array of leds instead of just to get our required signal strength? like maybe arrange them in a circle or so.
  i also came across siemens ld271
    ">http://www.datasheetarchive.com/LD271-datasheet.html>  
  and another by the name led 55c
   http://www.datasheetarchive.com/search.php?t=0&q=led+55c&manystr
   any one with some idea about these? Both are infrared.
   
   
  Well thats about it... if someone does have some info, please help out here.
   
   
  Saad

       
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