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PCsensor Photoelectric Sensor Switch Diffuse Reflective HID USB User Defined Keyboard Infrared Sensor Proximity Switch Automatic Sensory Device for Scanner Printer Copier: Amazon.com: Tools & Home Improvement
DC 5V 2A PIR Motion Activated Mini Body Sensor Switch with USB Interface Cable for LED Strip Light (with Light Sensor, Black) - Amazon.com
Panasonic GXL-15FU-C5 Inductive Proximity Sensor - 15mm Wide Micro-Size - 4mm Stable Sensing Range - Front Sense - Normally Open - DC 2-Wire - 5m Cable
Yocto-Proximity - USB infrared proximity sensor
USB - ProxSonar - EZ (MB1414)
MB1424 USB-ProxSonar-EZ2 – MaxBotix
Proximity Sensor ID Card Reader with USB Interface 5pcs Cards + 5pcs Key Fob 125KHz EM 4100
125khz Rfid Reader Em4100 Usb Proximity Sensor Smart Card Reader No Drive Issuing Device Em Id Usb For Access Control - Access Control Card Reader - AliExpress
USB interface photoelectric infrared sensor proximity switch can be set button | eBay