Introduction

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1.1     Overview

RollFlash is a good learning kit for Arduino and robot hobbyists. Since it moves slowly just like Flash in Zootopia, it is named RollFlash – moves really like a “flash”.

With an open source Arduino Nano board for control, a Servo Control Board, and a Bluetooth Module, it walks slowly with eight SF servos (9g) driving four legs. Equipped with an ultrasonic module on the front, it can avoid obstacle easily; with an infrared module at the bottom of the front, it follows lines. In addition, you can control the movement of the RollFlash on your Android phone.