Building the vision application

We have built our robot in the previous sections and it is time to build the vision application as planned in the first section of this chapter. Before getting started, let's draw the physical scheme of our vision controller, as shown here:

Building the vision application

As you can see from the picture, we use a second Arduino Uno R3 to communicate with the Arduino in the robot. Instead of this second Arduino, it is possible to use an FTDI converter, which is connected to the RF transceiver modem. But, we preferred the Arduino as it is the focus of this book. A webcam is also connected to the laptop over a USB interface. Our vision controller application ...

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