Fc 51 Ir Sensor Datasheet Extra Quality -

FC-51 Infrared Obstacle Avoidance Sensor Module

Based on your request, here is the technical information and specification summary for the .

Happy sensing!

How to Read the Output (Logic Table)

• For reliable operation, always test sensors under representative lighting and with the actual materials in your application.
• Use modulation/demodulation (IR carrier + synchronous detection) or shielded housings if outdoor or variable-light use is required.
• Combine multiple sensors or complementary modalities (ultrasonic, time-of-flight) for robust obstacle detection or distance estimation.
• Prefer analog output versions if you need graded distance sensing and can implement signal processing in firmware.
• Add hysteresis or smoothing in firmware to prevent chatter around threshold points when using the digital output.

Calibration

: Use the onboard potentiometer to adjust sensitivity. Turning it clockwise usually increases the detection distance. Fc 51 Ir Sensor Datasheet