deletions | additions       diff --git a/Datasheets.tex b/Datasheets.tex  index d921dff..184b3f5 100644  --- a/Datasheets.tex  +++ b/Datasheets.tex 
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BPW34 photodiode:  http://www.vishay.com/docs/81521/bpw34.pdf  TIP 112 TIP112  Darlington power transistor: http://www.onsemi.com/pub_link/Collateral/TIP140-D.PDF  4050 Buffer IC: