Dtmf controlled robot using AVR
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Introduction

In this tutorial we will see about building a simple dtmf controlled robot. Whenever we make a call, and press keys, dtmf tones are generated and transmitted. The tones can be easily decoded using a IC like MT8870. This enables a lot of possibilities for wireless control over mobile and telephone.

The Components

For this we will be using Xplore Robot Chasis as shown. The basic components would be

  • Xplore Robo Chasis
  • Xplore AVR Robo development board with Integrated DTMF
  • Battery Operated [BO] Motors for driving wheels
  • Castor as a free wheel.

The setup is shown in the pictures below.

You could make your own hardware setup as per the schematics discussed in the tutorial.

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