This module is an infrared detection system for smart cars, robots and other automated mechanisms to provide a multi-purpose solution. The discreet infrared transmitter and receiver uses the LM339 voltage comparator as a core device in the control circuit. This system has a variety of detection functions which help with various automation projects and application of small intelligent systems.
Easy to install, easy to use
4-way independent sensors
Module ≤ 10 mm in height
Safe operating voltage from 3 to 6 volts
4-way operating current of 30-55 mA
On-board 5.1 kohm pull-up resistor