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Optical Proximity Detector

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A "reflector" isolator (A) detects the presence of an object by bouncing light off of it. This technique is useful in circuits that detect when an object is close enough to the sensor (B).


Parts List:
Component: Value: Datasheet: Qty:
Resistor

220

Not Available 01
Resistor

150K

Not Available 01
Diode 1N4001 Available 01
Transistor

2N2222

Available 01
Transistor SDP8403-301 Not Available 01
LED SEP8703-001 Not Available 01
Relay 12V Not Available 01