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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | Infrared Obstacle Avoidance Sensor Module |
| Sensor Type | Active infrared reflection sensor (IR transmitter + IR receiver) |
| Operating Principle | Emits IR light and detects reflection from obstacles; comparator processes signal output |
| Comparator IC | LM393 |
| Operating Voltage | 3.3 V – 5 V DC |
| Output Type | Digital output (HIGH / LOW signal) |
| Output Logic | No obstacle = HIGH (5V), Obstacle detected = LOW (0V) |
| Detection Range | Adjustable 2 cm – 30 cm |
| Detection Angle | ~35° |
| Sensitivity Adjustment | Potentiometer (clockwise increases distance, counter-clockwise decreases) |
| Indicator LEDs | Power LED (red), detection LED (green) |
| Working Principle | IR emission → reflection from object → IR receiver detects → LM393 comparator outputs digital signal |
| Environmental Sensitivity | Affected by surface color/reflectivity (white = stronger detection, black = weaker) |
| Interference Level | Low interference, stable operation |
| Interface Pins | VCC, GND, OUT |
| Output Compatibility | Direct connection to microcontroller digital IO or relay module |
| Key Features | Adjustable range, stable LM393 comparator, easy integration, low cost, compact design |
| Applications | Obstacle avoidance robots, line tracking robots, automation systems, smart vehicles, industrial sensing, object detection systems |
Package Includes:
1 X 3PIN IR Infrared Obstacle Avoidance Sensor Module
The wiring diagram:
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