Datasheet Hot — Fc 51 Ir Sensor

| Pin | Description | | :--- | :--- | | | Power Supply : Connect to a 3.3V – 5V DC power source. | | GND | Ground : Connect to the common ground of the power supply. | | OUT | Digital Output : Outputs a LOW signal when an obstacle is detected. Connect to a digital input pin on your microcontroller. |

Follow these steps immediately if you notice your sensor getting warm: Step 1: Disconnect Power Immediately fc 51 ir sensor datasheet hot

The FC-51’s simplicity makes it ideal for non-technical upgrades to your living space. | Pin | Description | | :--- |

The FC-51 is a widely used infrared (IR) obstacle/line-detection module that integrates an IR emitter and receiver with signal conditioning and often a potentiometer for sensitivity adjustment. It’s popular in hobbyist robotics, line-followers, proximity detection, and simple object-sensing applications. Connect to a digital input pin on your microcontroller