Recommended · for beginners
DIY Smartphone Controlled RC Car
Why people recommend it
Tinkernut's smartphone-controlled RC car build, used as the practical follow-on for connecting a Bluetooth module to an Arduino.
Watch for: Watch the preceding Bluetooth module video first
In their words
The Tinkernut video "DIY Smartphone Controlled RC Car" ( [video] ) goes into more details of how to connect a smartphone to an Arduino via Bluetooth.
David Cary on arduino.stackexchange.com, May 2016. CC BY-SA.