He can talk using a wave shield.The speaker used is rated 1/2W and 8 ohms.For the chassis I used a 4mm thick acrylic sheet (about 22cm X 20cm)…right now the chassis is only temporary as I plan to make a more robust one.
I used the TTS from here and saved the WAV files on to the SD card.
Some of his features are :
- He can talk ( and make R2D2 sounds sometimes )
- Avoids obstacles using the HCSR04 ultrasonic sensor.
- Has an rgb led that glows blue when friendly and red when angry.
Here’s one of Scout talking :
Here’s a video of him making R2-D2 noises :