Infrared Sensor - How it Works, Types, Applications, Advantage & Disadvantage

Infrared Sensor Module Interfacing with Arduino - Obstacle Detection

Interfacing Infrared (IR) Proximity Sensor with Arduino

NASA's Mars helicopter takes its final flight after 72 rides

Why did NASA fly a helicopter on Mars? How did they test it here on Earth? Learn more from real scientists at NASA's Ames Research Center who worked on the helicopter. Revisit this timely talk that was part of our Perseverance Mars Rover Landing Watch Party. | Chabot Space & Science Center

Mars Helicopter’s First Flight: When To Watch It Live

DIY Infrared Sensor Module

IR Temperature Sensor

How to Make a Proximity Sensor