This is a 3-channel servo tester with an input voltage range of 4.8-6V.
The Micro Maestro is the smallest of Pololu’s second-generation USB servo controllers. The Maestros are available in four sizes and can be purchased fully assembled or as partial kits.
The 18 - channel Mini Maestro 18 raises the performance bar for serial servo controllers with features such as a native USB interface and internal scripting control.
RPLIDAR S1 LIDAR is a 360-degree 2D outdoor laser range scanner (LIDAR)
A ready to ship prebuilt tracked robot. It features IG42 122RPM Gear motors. Controller, battery, and charger included.