The IR Obstacle Avoidance Sensor Module uses an infrared emitter / receiver pair to detect obstacles in front of the sensor.

Technical Specification:

• Working voltage: DC 3.3V-5V
• Working current: 20mAh
• Working temperature: -10'C~+50'C
• Detection distance: 2~40cm
• IO interface: 4 line (-/+/S/EN)
• Output signal: TTL Level
• Adjusting mode: Multi resistance regulation
• Effective angle: 35°
• Size: 40mm*16mm*11mm (L*W*H) (approx)

 Features:

• Sensing distance 2-40 cm, distance, good anti-jamming capability
• The sensor 3 to 6V supply, wide range, which is suitable for 3V and 5V MCU system
• It can induce a distance of 2 to 40 cm, with good anti-interference ability
• 3mm screw holes for easy mounting
• Easy to assemble and use

Applications:

• Wheeled robots
• Robotics 
• Liquid level detection
• Robot obstacle avoidance
• Obstacle avoidance car
• Line count