IR Break Beam Sensors with Premium Wire Header Ends - 3mm LEDs : ID 2167 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
IR Reflective Sensor 10cm - 1103_1B - Phidgets
Yosoo Infrared Sensor Detector Light Bulb Switch 110V-240V Adjustable PIR Auto Sensor Switch Body Motion Movement Ceiling, Motion Detectors - Amazon Canada
Arduino Code and video for E18-D80NK Infrared Obstacle Avoidance Sensor - Robojax
High Speed IR Sensor with Small Measured Spot | Omega
Smart Light Switch Wall Light Switch Wave Infrared Sensor No Need Touch Electrical Power on Off US Plug - Walmart.com
Infrared pyrometer with laser sighting for demanding temperature measurements
Canada's role in Webb | Canadian Space Agency
IR distance sensor includes cable (20cm-150cm) [GP2Y0A02YK] : ID 1031 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits
HiLetgo 3pcs AM312 Mini Pyroelectric PIR Human Sensor Module PIR Infrared IR Sensor Body Manual Motion Infrared IR Detector, Motion Detectors - Amazon Canada