2Pcs Ir Infrared Slotted Optical Speed Measuring Sensor Detection Optocoupler xg

2Pcs Infrared Reflective Switch Ir Barrier Line Track Sensor TCRT5000 ie

5Pcs Reflective Optical Sensor 950Nm TCRT1000 vz

2Pcs CNY70 Reflective Optical Sensor With Transistor Output wi

10Pcs CNY70 Reflective Optical Sensor With Transistor Output ab

2Pcs Photoresistance Detection Optical Photosensitive Light Sensor Module ag

20Pcs 13001 MJE13001 General Transistor Npn 600V 0.2A TO-92 xm

2Pcs MQ-6 MQ6 Liquefied Petroleum Gas Sensor Isobutane Propane Gas Module xm