This is a Scott Edwards 4x20 Serial LCD with Terminal Features, Big-character Mode and terminal-style serial interface.
This is an 6 inch long Ribbon Cable with 5 conductors and female connectors on each end.
This is a 4x20 5V Blue Character LCD display module with I2C controller. The I2C interface makes control by an Arduino simple and easy.
RPLIDAR S1 LIDAR is a 360-degree 2D outdoor laser range scanner (LIDAR)
RPLIDAR A2 LIDAR is a 360-degree two-dimensional laser range scanner (LIDAR)