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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | IR Infrared Obstacle Avoidance Sensor Module |
| Sensor Type | Active infrared reflection sensor (IR transmitter + receiver) |
| Operating Principle | Emits IR light and detects reflected signal from objects using comparator circuit |
| Comparator IC | LM393 |
| Operating Voltage | 3.3 V – 5 V DC |
| Operating Current | ~20 mA |
| Output Type | Digital TTL output (0 / 1) |
| Output Logic | Obstacle detected = LOW (0V), No obstacle = HIGH |
| Detection Distance | 2 cm – 40 cm (up to ~80 cm in some variants) |
| Detection Angle | ~35° |
| Effective Range Reference Condition | Maximum distance measured using white reflective surface |
| Adjustability | Potentiometer for distance tuning + frequency adjustment resistor |
| Control Pin | EN pin (Enable/Disable sensor operation) |
| EN Logic | EN = 1 → OFF, EN = 0 → ON (or jumper enabled mode) |
| Interface Pins | VCC, GND, OUT (S), EN |
| Operating Voltage Range | 3.3 V – 5 V (MCU compatible) |
| Environmental Sensitivity | Affected by surface color, reflectivity, and ambient lighting |
| Anti-interference | Good noise immunity, stable digital output |
| Indicator LED | Onboard detection status LED |
| Working Temperature | -10 °C to +50 °C |
| Module Size | ~4.5 cm × 1.1 cm |
| Key Features | Adjustable sensitivity, onboard indicator, wide MCU compatibility, simple digital output |
| Applications | Obstacle avoidance robots, line tracking, object counters, liquid level detection, anti-drop systems, smart vehicles, automation systems |
Package Includes:
1 x Obstacle avoidance sensor
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