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Description: The VoiceBox Shield can be mounted on top of your Arduino, to give it access to all capabilities of the SpeakJet voice and sound synthesizer. The Voice Box Shield uses the SpeakJet chip to convert serial commands into a great robot-sounding voice.

Populated on the VoiceBox Shield are the 18-DIP SpeakJet IC and a two stage audio amplifier with a potentiometer to set the gain. You can connect a speaker directly to the 'SPK+/-' pins or headphones with the 3.5mm audio jack.

You can control the SpeakJet through either its serial line, or the eight event input lines which are connected to digital pins 5-12. A 3-way jumper allows you to connect either the software (D2) or hardware (D1) TX pin of the Arduino to the SpeakJet's serial input. There's also a small prototyping area. Stackable headers are included in the package.

These come in fancy clamshell packaging meant for our distributors that need it. Regular customers are welcome to order, but we want to limit the amount of extra packaging finding its way into the trash heap. The version without the extra plastic can be found in the related items below.

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Comments 4 comments

  • Within two (2) weeks of receiving this product, I’ve created the world’s first Robotic Tagalog embedded speech synthesizer. It works “beyond Arduino”!!! I’ve got it working with Freedom Freescale FRDM-KL25Z and BeagleBone Black. I wish there was a ‘breakout board’ version; it would make interfacing to unlimited microcontrollers much easier.

  • Hi there. Is there any way to change the voice or is it fixed. Thanks

    • doesn’t matter. I just read the info for the chip.

      • As you’ve probably figured out, you can change the pitch and speed to customize it a bit, but it will always be a computer-generated voice. This is unlike a desktop system where the speech is based on recorded sounds and you can select different speakers, male, female, etc.


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