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Feature

This Zumo robot is a low-profile tracked robot platform intended for use with an Arduino (or compatible device, such as an A-Star 32U4 Prime) as its main controller.
It uses two 75:1 HP micro metal gearmotors to drive the treads, providing plenty of torque and a top speed of approximately 2 feet per second (60 cm/s).
The Zumo robot includes a 0.036"-thick laser-cut stainless steel sumo blade mounted to the front of the chassis for pushing around objects like other robots.
The Zumo robot has a reflectance sensor array mounted along the front edge of the Zumo (behind the sumo blade) allows the Zumo to detect features on the ground in front of it, such as lines for following or edges for avoiding.
Required Accessories (Not Included): Arduino or compatible control board (Arduino Uno, Leonardo, NOT COMPATIBLE with Mega or Due). Four AA batteries (Alkaline or NiMH).

Description

Integrated 75:1 HP micro metal gearmotors that offer a good blend of speed (up to 2 feet per second), power, and control. Mounted array of six IR reflectance sensors that allows the Zumo to detect contrasts in reflectivity directly beneath its blade, which can be used for following lines or detecting edges (e.g. the white outer area of a sumo ring or the edge of a table). Integrated DRV8835 dual motor drivers capable of delivering enough current for the Zumo's two high-power gearmotors. Piezo buzzer for playing simple sounds and music. The buzzer is controlled by one of the Arduino's PWM outputs, so tones can be generated in the background without taking up a lot of processing power.