Ir Sensor Datasheet — Fc 51
If the reflected signal is strong enough (meaning an object is close), the LM393 pulls the OUT pin LOW and turns on the obstacle LED. The Impact of Surface Properties
This comprehensive guide serves as an expanded technical datasheet, explaining how the FC-51 works, its electrical specifications, pinout, adjustment procedures, and integration steps. Technical Specifications
| Feature | FC-51 | TCRT5000 (on FC-51RA module) | | :--- | :--- | :--- | | | Obstacle avoidance / proximity detection | Line following / color detection | | Detection Range | 2 – 30 cm (adjustable) | 1 – 6 mm (very short) | | Output Type | Digital (via LM393) | Digital and Analog (often both) | | Core Sensor | Discrete IR LED + Phototransistor | Integrated TCRT5000 reflective sensor | Fc 51 Ir Sensor Datasheet
Direct sunlight or heavy incandescent lighting contains large amounts of infrared radiation. This can flood the photodiode and cause false triggers. For outdoor use, shield the sensor housing from direct sunlight. Common Applications
Complete Guide to the FC-51 IR Obstacle Avoidance Sensor: Datasheet, Pinout, and Arduino Interfacing If the reflected signal is strong enough (meaning
The following technical specifications are extracted from the FC-51 IR sensor datasheet:
Think of the FC-51 as a digital gatekeeper. It doesn't tell you an object is; it just tells you something is there. distance with ir sensor fc-51 - Arduino Forum This can flood the photodiode and cause false triggers
The transmitter IR LED constantly emits an invisible beam of infrared light.
The is a low-cost infrared (IR) obstacle avoidance sensor module commonly used in robotics for short-range detection. It functions by emitting an IR signal from a transmitter LED; if an object is within range, the IR light reflects back and is detected by a receiver phototransistor, triggering a digital signal . Core Technical Specifications Specification Operating Voltage 3.0V – 6.0V DC Detection Range 2cm – 30cm (Adjustable via onboard potentiometer) Detection Angle Approximately 35° Current Consumption ~23 mA at 3.3V / ~43 mA at 5.0V Output Type
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