So you would like to be able to summon your rolling backpack or bags? With a bit of Arduino programming, you can pull it off. tanner_tech has shared a guide that shows how you can turn a rolling backpack into a robot that can be summoned and controlled using a smartphone.
You are going to need a H-Bridge motor controller, Arduino, DC motors, battery, rubber wheels, a Bluetooth module, and a few other parts to get started. The instructions are available here.
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