From: curd@notformail.com   
      
   On Sat, 18 May 2019 10:50:16 -0700, AK wrote:   
      
   > So it looks like even with a laser shining and someone breaks the beam,   
   > it may not sound if the light level is high enough.   
      
   Dump the LDR and use a photodiode instead.   
      
      
      
      
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)