From: sebastiasebas@gmail.com   
      
   El dilluns, 22 octubre de 2018 15:44:54 UTC+2, George Herold va escriure:   
   > On Sunday, October 21, 2018 at 7:50:24 PM UTC-4, Sebastia RodaMon wrote:   
   > > Hi - I got a brand new solar cell "Eco Line ES10M36".   
   > >   
   > > In my garden, under full sun it provides 21 volts and 500 mA,   
   > > and under big shadow it gives 18 volts and 30 mA.   
   > >   
   > > Load is a 24 volt bulb lamp in series with the Fluke.   
   > >   
   > > As the voltage margin is small, I want to detect the intensity   
   > > to determine if there is sun or not.   
   > >   
   > > What electronic circuit would you recommend to do it ?   
   > >   
   > > If I place 2 resistors conected in serial,   
   > > the voltage drop will have the same small margin the cell has ...   
   > >   
   > > Thanks.   
   >   
   > Sounds like you have some circuit working already.   
   > I don't know (big) solar cells.  For little photodiodes and   
   > things you can either measure the open circuit voltage   
   > (V~log (Intensity)) or the short circuit current,   
   > (I~ Intensity)   
   >   
   > George h.   
      
      
   Ok, mr George : I did the test.   
   At a given moment, with a given sun, I read   
   Voc = 4,2 volts, Isc = 107 mA.   
      
   Whay now ?   
   Thanks for your patience ... Ceba.   
      
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