Velleman VMA330
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.
, operating voltage: 3.3 V to 5 V • output: digital (on/off) • detection threshold: adjustable by 2 trimmers • distance range: 2 to 40 cm • adjustment R5: frequency adjustment 38 KHz (already optimised) • adjustment R6: IR LED duty cycle adjustment (already optimised) • operating temperature: -10°C to +50°C • effective angle: 35° • I/O interface: 4 wire interface (- / + / S / EN ) • dimensions: 45 x 16 x 10 mm • weight: 9 g