Otto Robot

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• Ready to build in less than an hour
• Walks straight, back, & turn
• Avoids obstacles with ultrasonic sensor
• Multiple dance styles 
• Beeps melodies 
• Simply programmable 
• Open Source 

Everything that original Otto has and:

• Bluetooth with fee app
• Metal servo motors
• Touch sensor for emotional response 
• Reacts to noise with sensor

Everything that original & Otto + has plus:

• Senses orientation with gyroscope
• Senses movement with accelerator
•  LED mouth from expressing emotions