yuanyuyuan / cave-tjbot

This is cave-version tjbot

Preparation

Material

1. Raspberry Pi
2. TJbot
3. SD card
4. Microphone
5. Speaker

Assembly of TJbot

youtube link

Purchase info

System Installation

The following steps are applicable on three main computer OS: Linux, macOS and Windows.

1. Download the latest image of Raspian.
2. Download the latest Etcher to burn the image.
3. Burn the image to SD card and boot RPi.

Basic config for RPi

Open terminal in RPi and type the following commands.

1. Update RPi system

sudo apt-get update
sudo apt-get dist-upgrade

2. Set the audio output to 3.5mm jack

sudo raspi-config

7 Advanced Options -> A4 Aduio -> 1 Force 3.5mm ('headphone') jack -> Ok

3. Install nodejs on RPi

curl -sL https://deb.nodesource.com/setup_7.x | sudo -E bash -
sudo apt-get install nodejs

4. (Optional) Install espeak for running tjdemo-espeak.js

sudo apt-get install espeak

5. Tune audio volume

alsamixer

Press <Esc> to exit.

Prerequisite

Register an IBM Bluemix account

Go to this website and register a new account. Note that a new account is free for 30 days.

Initialize the IBM bluemix

Log in to Bluemix Web UI.

Set the Region, Organization, Space.

ex.

Create the Speech-To-Text service

Create Service -> Watson -> Speech-To-Text-Service -> Plan: Standard

Get the credential of STT service

Speech-To-Text service -> Service credntials -> New credential -> View credentials

ex.

{
  "url": "https://stream.watsonplatform.net/speech-to-text/api",
  "username": "512e2a10-4411-4900-90af-947d0f339070",
  "password": "mUyesb3fl7oB"
}

(Optional) Create Bluemix service in CLI

Install Bluemix CLI(Cloud Foundry)

Open the terminal in your computer(Command Prompt for Windows users).

cf login -a https://api.ng.bluemix.net
cf create-service speech_to_text standard my-stt-service
cf create-service-key my-stt-service
cf servic-key my-stt-service my-stt-key

Usage

1. Clone this project and change the working diretory into src.

git clone https://github.com/YuanYouYuan/cave-tjbot.git
cd cave-tjbot/src

2. Install node dependencies

npm install

3. Edit the credential in config.js

nano config.js

3. Run the sample code

sudo node tjdemo-google.js

Scheme