850nm Infrared transmitting F5MM

MCU Infrared Remote Control Module Receiver Head HX1838 NEC Coding IR Remote Control Sensor Module  

IR Infrared Receiver TL1838 VS1838B 38Khz

GY-906 MLX90614ESF Infrared Temperature Sensor Module

IR Break Beam Sensor – 5mm leds  

This IR break beam sensor works by detecting an object breaking a beam of IR light. This particular sensor has a range of up to 50 cm / 20″ and can be used with 3.3 or 5V.  

Infrared sensor receiver module