Hands-on-Tutorial-Voice-Assistant-on-Raspberry-Pi

A hands-on tutorial to build a voice assistant with Google Gemini on Raspberry Pi

Following the YouTube video below to learn more about this project:
https://youtu.be/uV6hJQcuW4w

Before using this Python script, please add your Google Gemini API key to it first.

Here is a schematic of the Raspberry Pi and LEDs

Hardware (*):

1. Raspberry Pi: https://amzn.to/4bmstJa
2. microSD card: https://amzn.to/4cFs84s
3. Audio amplifier: https://amzn.to/3JjPWy9
4. Mini speaker: https://amzn.to/3TB9Pp3
5. USB Microphone: https://amzn.to/3HGGSCA
6. (optional) LEDs and resistors: https://amzn.to/3Jg4Yoz
7. (optional) Breadboard https://amzn.to/3V3ruWY
8. uni SD Card Reader https://amzn.to/3yYhwze
9. Power Supply for Raspberry Pi 4: https://amzn.to/3RVKXIF or for Pi 5: https://amzn.to/3L9kC67
10. Audio cable for speaker: https://amzn.to/3yXD8vy
11. Pi 4 case with cooling fan and heatsink: https://amzn.to/4hgnfBV

Update and Upgrade the Raspberry Pi OS

sudo apt update
sudo apt upgrade

Install a Firewall for the Raspberry Pi

sudo apt install ufw
sudo ufw allow ssh
sudo ufw enable

Install Python and Pip

sudo apt install python3 python3-pip python3-venv

Create Python Virtual Environment in the home directory

python3 -m venv .venv

Install Packages for Processing Audio Data

sudo apt install portaudio19-dev python3-pyaudio flac espeak 

Create a Project Folder

mkdir projects
cd projects
mkdir va
cd va 

Activate Python Virtual Environment

source ~/.venv/bin/activate

Install Python Packages

You will need to install the following packages:

pip install speechrecognition sounddevice pyaudio
pip install -q -U google-generativeai
pip install gtts pygame gpiozero lgpio

Run the Python Code

python gva7_led.py

Press "Ctrl + C" on your keyboard to exit from a running Python program.

Power off Raspberry Pi

sudo poweroff

* As a participant in the Amazon Associate Program, we earn from qualifying purchases.