Fc 51 Ir Sensor Datasheet Hot 〈90% Tested〉

to process signals from its IR transmitter (LED) and receiver (photodiode). Art of Circuits Key Technical Specifications Specification Operating Voltage 3.0V – 6.0V DC Detection Range 2cm – 30cm (Adjustable) Detection Angle Output Type Digital (Low: Obstacle detected, High: No obstacle) Current Consumption ~43mA (Active) PCB Dimensions 3.1 cm x 1.4 cm Operation and Calibration Sensitivity Adjustment : The onboard potentiometer (trimmer) allows you to set the detection range. : Increases the detection distance. Counter-clockwise : Reduces the detection distance. LED Indicators : Lights up when the module is connected to power. Signal/Obstacle LED

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| Sensor | Thermal Drift | Max Range | Typical Cost | | :--- | :--- | :--- | :--- | | | High (poor) | 30 cm | $2 | | FC 51 with modulation | Medium | 40 cm | $3 | | SHARP GP2Y0A21 (analog) | Low (compensated) | 80 cm | $12 | | VL53L0X (ToF laser) | Very low | 200 cm | $8 | | HC-SR04 (ultrasonic) | Negligible | 400 cm | $4 | to process signals from its IR transmitter (LED)

: Typically 2cm to 30cm (adjustable via the onboard potentiometer). Detection Angle : 35°. Counter-clockwise : Reduces the detection distance