50PCS TCRT5000L TCRT5000 Reflective Optical Sensor Infrared IR Switch infrared

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12V PIR IR Pyroelectric Infrared Module Adjustable Relay Output Sensor TOP

50PCS TCRT5000L TCRT5000 Reflective Optical Sensor Infrared IR Switch infrared

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2PCS Infrared reflective Switch IR Barrier Line Track sensor TCRT5000 M26 A2TM