DIY Infrared Sensor Module Elecrom December 13, 2016; Updated On: January 5th, 2017 1 Overview Infrared sensor module is very useful for making systems for obstacle detection, infrared proximity sensor, object detection or occupancy sensing applications . In this blog post a simple DIY infrared sensor module schematics and board layouts are presented. This IR sensor circuit is designed such as way that it can work on 3.3 V … Continue reading DIY Infrared Sensor Module