I would like to build an optical tachometer with this sensor. Not sure if I need to have any resistors between it and my arduino. I have included a copy of the datasheet. I am a noobie and would appreciate any assistance. Thanks! OPB704W-Z-Optek.pdf (243 KB)

Help with a OPB704W object sensor

system October 4, 2012, 5:54am 8

yw...
TV was boring yesterday...

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