This is a very small light sensor. A photo resistor (also known as a photodector, or photocell) changes resistance depending on the amount of light it is exposed to.
The MiniSLAM is a programmable autonomous robot built on the Robot Operating System (ROS). It is controlled using a USB gamepad and the ROS Visualization (RViz) application.
The RunCam 2 HD camera is designed for the FPV Racers. This mini HD camera provides high-resolution video and images at 1080P @60fps or 720P @120fps.