Fc 51 Ir Sensor Datasheet Hot Jun 2026

The module typically utilizes an for stable detection. Operating Voltage: 3.0V to 6.0V DC (Standard 3.3V or 5V). Current Consumption: ~23mA at 3.3V; ~43mA at 5.0V.

| | FC-51 | TCRT5000 | | :----------------- | :-------------------------------------------------- | :------------------------------------------------- | | Primary Use | Obstacle Avoidance / Proximity | Line Following / Reflective Sensing | | Typical Range | 2cm - 30cm | 1mm - 8mm (very short range) | | Output | Digital (HIGH/LOW via LM393 comparator) | Analog (reflected light intensity) | | Best For | Detecting objects at a short distance | Distinguishing between black and white surfaces |

Connecting the sensor to a 9V battery, a 12V rail, or an unregulated power adapter forces too much current through the current-limiting resistors and the LM393 IC.

: Influence of Environment Conditions on the Infra-Red Object Detection Sensor FC-51 fc 51 ir sensor datasheet hot

Deep Dive into the FC-51 IR Obstacle Avoidance Sensor Datasheet

: If the reflected signal is strong enough, the comparator drops the OUT pin to LOW (0V) and turns on the obstacle detection indicator LED. When no target is present, the OUT pin remains HIGH (VCC) via a pull-up resistor. Step-by-Step Range Calibration

If your FC-51 sensor is overheating, it is operating outside its intended thermal limits. Leaving it hot will permanently damage the LM393 IC or burn out the IR LEDs. The primary causes include: 1. Reverse Polarity (Incorrect Wiring) The module typically utilizes an for stable detection

Never set this pin to OUTPUT using digitalWrite(sensorPin, HIGH) or LOW . Step 5: Test for Permanent Damage

Hide an FC-51 inside a sculpture or a picture frame. When someone leans in to look, the sensor triggers a hidden MP3 player to play a whispered phrase, animal sound, or rain effect. This creates an eerie, immersive gallery experience.

One LED shows power status, while the second (usually green) lights up only when an obstacle is detected. | | FC-51 | TCRT5000 | | :-----------------

const int sensorPin = 2; const int ledPin = 13;

Understanding FC-51 IR Sensor Heating: Datasheet Analysis and Troubleshooting

Arrange several FC-51 sensors across a hallway. When a player breaks an IR beam (by walking through), a buzzer sounds or a counter increments. It’s a family-friendly alternative to laser tag for birthday parties.