View source for TT Electronics OPB903L55

{{Part
|Modality=Sensors
|Part Type=Passive Components
|Manufacturer=TT Electronics
|Product ID=OPB903L55
|Product Page=http://www.digikey.com/en/products/detail/tt-electronics-optek-technology/OPB903L55/1637496
|Price=5.05
}}
{{Passive Component
|Passive Component Type=Sensor
|Voltage=5
}}
{{Sensor
|Sensor Type=IR Beam Break
}}
This is an alternative to the [[skos:Related::TT Electronics OPB901L55]]. The form factor and pinout are identical. However, the output is inverted: high normally and low during the poke. Flip the POLARITY setting in prefs.json to make this work.