This 2x18 header strip is very useful to connect Arduino shields. Primarily intended for the Arduino Mega. They can be used with Arduino shields because of their height.
This is the LIDAR-Lite v3 Laser Rangefinder, a compact, high-performance optical distance measurement sensor from Garmin™. The LIDAR-Lite v3 is the ideal solution for drone, robot or unmanned vehicle applications.
This is a bidirectional level shifter used to step down or up signals from 1.8V to 5V range.