Follow these three simple steps to download and install the Ultimate Voice Changer Arduino Library and run one of the example sketches.

1. Download Library

The official Arduino library for the Ultimate Voice Changer can be downloaded from

2. Install the Library

We recommend using Arduino IDE version 1.5 or later so that the new Library Manager can be used to install libraries. Choose the menu option for adding a library .zip file and then select the zip file downloaded in step 1.

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You may need to restart the IDE after this step.

3. Run the example sketch

It should now be possible to open the example ring_modulator sketch.