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The LJ12A3-4-Z/BX is an NPN inductive proximity sensor commonly used for detecting metal objects without physical contact. Here are some key features and details about this sensor:
Detection Range: It can detect metal objects within a range of 4mm.
Operating Voltage: The sensor operates within a voltage range of 6 to 36V.
Output Type: It has an NPN Normally Open (NO) output, meaning the output is low when no object is detected and goes high when a metal object is within range.
Wiring: The sensor has three wires - Brown (VCC), Blue (GND), and Black (Output).
This sensor is often used in automation, such as in conveyor systems, and can be easily interfaced with microcontrollers like Arduino