Had some fun trying those combinations? Now is the time that we take this journey a step ahead and see what else is possible. We have all played with remote-controlled cars and I'm sure everyone will have had fun with those zippy little toys. We are going to do something similar but in a much more sophisticated way.
We all are aware of Bluetooth: this is one of the best ways to communicate with devices in close proximity. Bluetooth communication is a medium data rate, low power communication method. This is almost omnipresent in mobile devices, hence it is an ideal way to start. What we will be doing in this chapter is controlling the car via your mobile phone using Bluetooth. Now let's see how we can do it.
The first thing we want to do is pair up the smartphone to the robotic vehicle, and to do so we need to open the terminal on Raspberry Pi and perform the following steps:
- Type in the command
~ $ bluetoothctl; this is a Bluetooth agent which allows two...