Hacker Shack
Published © GPL3+

Make an Autonomous "Follow Me" Cooler

We use an Arduino to build an autonomous "follow me" cooler that connects to a smartphone via Bluetooth and uses GPS to navigate.

AdvancedFull instructions provided10 hours94,886

Things used in this project

Hardware components

Cooler
×1
Medium-Density Fiber (MDF) Board, 1/4-Inch
×1
Wood, 1"x2"
8 Ft
×1
Wood, 1"x3"
8 Ft
×1
Wheel, 6-Inch
×2
Swivel Caster
×1
Geared 12V DC Motor
×2
Shaft Hub, 4 mm
×1
Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
Turnigy 2200mAh 3S 20C Lipo Pack
×1
Portible USB Charger
×1
L298n Motor Driver
×1
Breadboard (generic)
Breadboard (generic)
×1
Parallax PAM-7Q GPS Module
×1
Adafruit HMC5833l Compass
×1
HC-05 Bluetooth Module
HC-05 Bluetooth Module
×1
M3 Nuts and Bolts
×4
M5 Nuts, Bolts, and Washers
×2
#4 x 1" Nuts and Bolts
×8
#6 x 1" Wood Screws
×6
#10 Nuts, Bolts, and Washers
×6
1/2" Washer
×2
Nails, 1"
×30
Jumper wires (generic)
Jumper wires (generic)
×1
USB-A to Micro-USB Cable
USB-A to Micro-USB Cable
×1
Picture Hanging Command Strips
1 Pack
×1

Software apps and online services

Arduino IDE
Arduino IDE
Blynk
Blynk

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
Saw
Electric Drill
Jigsaw
Hammer

Story

Read more

Custom parts and enclosures

Motor Mount

Motor mount used to mount DC motor to chassis. Mounts motor by clamping. STL file for 3D printing.

Wheel Hub Adapter

Hub/adapter to adapt a 4mm motor shaft hub to the 6-inch wheel. STL file for 3D printing.

Swivel Wheel Mount

A mount to attach the swivel wheel to the wooden frame of the chassis. STL file for 3D printing.

Actuator Attachment

Attaches the actuator arm to the top of the cooler lid.

Cooler Servo Mount

Mounts the servo inside the cooler.

Servo Horn Adapter

Attaches the servo horn to the actuator arm.

Lid Actuator Arm

Actuator arm for the motorized lid.

Pivot Cap 65

Cap for the the actuator attachment.

Pivot Cap 68

Cap for the servo horn attachment.

Schematics

Circuit Diagram

Cooler diagram ai7q6uo55s

Code

Source Code

This code should be loaded on your Arduino Uno. It powers the cooler base platform and servo motor.

Credits

Hacker Shack

Hacker Shack

5 projects • 309 followers
Hacker Shack is a team of two engineers that make instructional DIY videos about robotics, software, and other cool tech related projects.

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