B boriz Senior Member Sep 1, 2009 #41 Maybe you could use 5mm phototransistors and sand-paper the tips. So they are flat and 'fogged'?
B BeanieBots Moderator Sep 1, 2009 #42 Or, if you want accuracy, simply buy a 'proper' sensor. This one is a quad. (common up the pairs or get a dual). http://www.advancedphotonix.com/ap_products/pdfs/SD380-23-21-051.pdf I beleive Digikey sell them.
Or, if you want accuracy, simply buy a 'proper' sensor. This one is a quad. (common up the pairs or get a dual). http://www.advancedphotonix.com/ap_products/pdfs/SD380-23-21-051.pdf I beleive Digikey sell them.
