Feel like taking a long walk, but can’t be bothered with carrying your drinks? Have no fear, this “Follow Me” Cooler Bot is here!
Really just a mobile platform with a cooler on top, the robot connects to smartphone via Bluetooth, following it using GPS. Making the platform involves a little woodworking skill, and an aluminium hub with a 3D-printed hub adapter connects the motors to a pair 6″ rubber wheels with a swivel caster mounted at the rear. A pocket in the platform’s base houses the electronics.
The Arduino Uno — via an L298n motor driver — controls two 12V DC, brushed and geared motors mounted with 3D printed brackets, while a Parallax PAM-7Q GPS Module in conjunction with an HMC 5883L compass help the robot keep its bearing. A duo of batteries power the motors and the electronics separately to prevent any malfunctions.
Controlling the platform is done on an Android smartphone using Blynk. Ease of use and the ability to set basic commands to be sent to the robot over a desired connection type made it ideal for this helpful little ‘bot.
There isn’t anything more complicated going on — like obstacle avoidance or sophisticated pathfinding — so you kinda need a clear line between you and the cooler. Still, beverage storage is a great feature to add to you tag-along robot companion. It seems to work just fine.
Filed under: Arduino Hacks, gps hacks, robots hacks
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