This module is an inexpensive solution for an obstacle avoidance sensor
perfect for robotic projects and very easy to interface directly with
Arduino and compatible boards. The module has two potentiometers one
to control frequency and one to control the intensity.

Specifications

• operating voltage: 3.3 V to 5 V
• Output: Digital (On/Off)
• Detection threshold: Adjustable by 2 trimmers
• distance range: 2 to 10 cm
• adjustment R6: frequency adjustment 38 KHz (already optimised)
• adjustment R5: IR LED power adjustment (already optimised)
• Operating temperature: 10C to +50C
• Effective angle: 35
• I/O interface: 4 wire interface ( / + / S / EN )
• dimensions: 45 x 16 x 10 mm
• weight: 9 g