FC-51 IR Sensor is a versatile, low-cost infrared proximity module commonly used in obstacle avoidance robots, security systems, and factory automation. It works on the principle of reflecting infrared light off an object to determine its presence within a specific range. Electronics For You Technical Specifications Based on typical operating parameters for this module: Operating Voltage: 3V to 5V DC Operating Current: is greater than or equal to Detection Distance: 2cm to 30cm (adjustable via potentiometer) Detection Angle: Approximately 35 raised to the composed with power Output Signal:
| Parameter | Min | Typ | Max | Unit | |-----------|-----|-----|-----|------| | Supply voltage | 3.3 | 5.0 | 5.5 | V | | Output current (sink) | - | 10 | 20 | mA | | Detection range (white) | 2 | 15 | 30 | cm | | Detection range (black) | 1 | 2 | 5 | cm | | Output LOW voltage | 0 | - | 0.4 | V | | Output HIGH voltage | Vcc-0.5 | - | Vcc | V | Fc 51 Ir Sensor Datasheet
void loop() sensorValue = digitalRead(irSensorPin); FC-51 IR Sensor is a versatile, low-cost infrared
| Parameter | Value | |-----------|-------| | Response Time | ~2–10 ms | | Output Frequency | ~50–100 Hz (typical) | | Settling Time after power-up | <50 ms | Working Principle is a popular infrared (IR) obstacle
int sensorValue = 0; int objectDetected = false;
is a popular infrared (IR) obstacle avoidance sensor module commonly used in robotics for object detection and line tracking Inforbatista